Ecrit par ✅ Quiz : Interaction Gravitationnelle Et Interaction Electrique
Ce quiz contient 20 questions.
Note : Placeholder pour valider la structure. Le JSON converti est conservé ci-dessous pour l’import final des vraies questions Tutor LMS.
JSON Tutor LMS-ready
{
"quiz_title": "Interaction Gravitationnelle Et Interaction Electrique",
"quiz_slug": "02_interaction_gravitationnelle_et_interaction_electrique_quiz",
"quiz_description": "Quiz Edu509 : Interaction Gravitationnelle Et Interaction Electrique",
"quiz_settings": {
"time_limit": {
"time_value": 0,
"time_type": "minutes"
},
"hide_quiz_time_display": false,
"attempts_allowed": 0,
"passing_grade": 70,
"max_questions_for_answer": 0,
"questions_order": "rand",
"hide_question_number_overview": false,
"short_answer_characters_limit": 200
},
"questions": [
{
"question_order": 1,
"question_title": "Quelle est la formule de la force gravitationnelle entre deux masses ponctuelles selon Newton ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La loi de Newton s'écrit \\\\( F_g = G \\\\frac{m_1 m_2}{r^2} \\\\), où G est la constante gravitationnelle.",
"answers": [
{
"answer_title": "\\\\( F_g = G \\\\frac{m_1 m_2}{r^2} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( F_g = k_e \\\\frac{q_1 q_2}{r^2} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( F_g = m_1 m_2 r^2 \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( F_g = G \\\\frac{m_1 + m_2}{r} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 2,
"question_title": "Quelle est la constante de Coulomb \\\\( k_e \\\\) utilisée dans la loi de Coulomb ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La constante de Coulomb est \\\\( 8{,}99 \\\\times 10^9 \\\\mathrm{N \\\\cdot m^2 / C^2} \\\\).",
"answers": [
{
"answer_title": "\\\\( 8{,}99 \\\\times 10^9 \\\\mathrm{N \\\\cdot m^2 / C^2} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( 6{,}67 \\\\times 10^{-11} \\\\mathrm{N \\\\cdot m^2 / kg^2} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( 9{,}81 \\\\mathrm{N / kg} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( 1{,}60 \\\\times 10^{-19} \\\\mathrm{C} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 3,
"question_title": "Deux charges de \\\\( +2{,}0 \\\\times 10^{-6} \\\\mathrm{C} \\\\) et \\\\( -3{,}0 \\\\times 10^{-6} \\\\mathrm{C} \\\\) sont séparées de \\\\( 0{,}10 \\\\mathrm{m} \\\\). Quelle est la valeur de la force électrique entre elles ? \\\\( k_e = 8{,}99 \\\\times 10^9 \\\\mathrm{N \\\\cdot m^2 / C^2} \\\\)",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La force est \\\\( F_e = k_e \\\\frac{|q_1 q_2|}{r^2} = 8{,}99 \\\\times 10^9 \\\\times \\\\frac{6{,}0 \\\\times 10^{-12}}{0{,}01} = 5{,}394 \\\\mathrm{N} \\\\).",
"answers": [
{
"answer_title": "\\\\( 5{,}394 \\\\mathrm{N} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( 2{,}697 \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( 0{,}799 \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( 1{,}6008 \\\\times 10^{-9} \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 4,
"question_title": "La force gravitationnelle entre deux masses de \\\\( 2{,}0 \\\\mathrm{kg} \\\\) et \\\\( 3{,}0 \\\\mathrm{kg} \\\\) séparées de \\\\( 0{,}5 \\\\mathrm{m} \\\\) est : \\\\( G = 6{,}67 \\\\times 10^{-11} \\\\mathrm{N \\\\cdot m^2 / kg^2} \\\\)",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La force gravitationnelle est \\\\( F_g = 6{,}67 \\\\times 10^{-11} \\\\times \\\\frac{6{,}0}{0{,}25} = 1{,}6 \\\\times 10^{-9} \\\\mathrm{N} \\\\).",
"answers": [
{
"answer_title": "\\\\( 1{,}6 \\\\times 10^{-9} \\\\mathrm{N} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( 6{,}67 \\\\times 10^{-10} \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( 5{,}394 \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( 2{,}30 \\\\times 10^{-8} \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 5,
"question_title": "Quelle affirmation est vraie concernant la force gravitationnelle ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La gravitation est toujours attractive, contrairement à la force électrique.",
"answers": [
{
"answer_title": "Elle est toujours attractive.",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Elle peut être attractive ou répulsive.",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Elle dépend du signe des charges.",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Elle ne dépend pas de la distance.",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 6,
"question_title": "La force électrique entre deux électrons séparés de \\\\( 1{,}0 \\\\times 10^{-10} \\\\mathrm{m} \\\\) est : \\\\( q_e = -1{,}6 \\\\times 10^{-19} \\\\mathrm{C} \\\\), \\\\( k_e = 8{,}99 \\\\times 10^9 \\\\)",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La force électrique est \\\\( F_e = 8{,}99 \\\\times 10^9 \\\\times 2{,}56 \\\\times 10^{-18} = 2{,}30 \\\\times 10^{-8} \\\\mathrm{N} \\\\).",
"answers": [
{
"answer_title": "\\\\( 2{,}30 \\\\times 10^{-8} \\\\mathrm{N} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( 5{,}52 \\\\times 10^{-51} \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( 1{,}6 \\\\times 10^{-9} \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( 0{,}799 \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 7,
"question_title": "La force gravitationnelle entre deux électrons séparés de \\\\( 1{,}0 \\\\times 10^{-10} \\\\mathrm{m} \\\\) est : \\\\( m_e = 9{,}1 \\\\times 10^{-31} \\\\mathrm{kg} \\\\), \\\\( G = 6{,}67 \\\\times 10^{-11} \\\\)",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La force gravitationnelle est \\\\( F_g = 6{,}67 \\\\times 10^{-11} \\\\times 82{,}81 \\\\times 10^{-42} = 5{,}52 \\\\times 10^{-51} \\\\mathrm{N} \\\\).",
"answers": [
{
"answer_title": "\\\\( 5{,}52 \\\\times 10^{-51} \\\\mathrm{N} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( 2{,}30 \\\\times 10^{-8} \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( 1{,}6 \\\\times 10^{-9} \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( 0{,}799 \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 8,
"question_title": "La force électrique entre deux charges de même signe est :",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Deux charges de même signe se repoussent selon la loi de Coulomb.",
"answers": [
{
"answer_title": "Répulsive.",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Attractive.",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Nulle.",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Toujours dirigée vers l'autre charge.",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 9,
"question_title": "Quelle grandeur n'intervient PAS dans la formule de la force gravitationnelle ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La force gravitationnelle dépend des masses, de la distance et de la constante G, mais pas de la charge.",
"answers": [
{
"answer_title": "La charge électrique.",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "La masse.",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "La distance.",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "La constante gravitationnelle.",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 10,
"question_title": "Deux masses de \\\\( 5{,}0 \\\\mathrm{kg} \\\\) et \\\\( 8{,}0 \\\\mathrm{kg} \\\\) sont séparées de \\\\( 2{,}0 \\\\mathrm{m} \\\\). Quelle est la force gravitationnelle entre elles ? \\\\( G = 6{,}67 \\\\times 10^{-11} \\\\)",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La force est \\\\( F_g = 6{,}67 \\\\times 10^{-11} \\\\times 10{,}0 = 6{,}67 \\\\times 10^{-10} \\\\mathrm{N} \\\\).",
"answers": [
{
"answer_title": "\\\\( 6{,}67 \\\\times 10^{-10} \\\\mathrm{N} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( 1{,}6 \\\\times 10^{-9} \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( 5{,}394 \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( 2{,}697 \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 11,
"question_title": "Quelle est l’unité de la charge électrique dans le Système International ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "L’unité SI de la charge électrique est le coulomb (C).",
"answers": [
{
"answer_title": "Coulomb (C)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Newton (N)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Joule (J)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Kilogramme (kg)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 12,
"question_title": "Si la distance entre deux masses double, la force gravitationnelle :",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La force gravitationnelle varie en \\\\( 1/r^2 \\\\), donc si r double, la force est divisée par 4.",
"answers": [
{
"answer_title": "Est divisée par 4.",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Est multipliée par 2.",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Ne change pas.",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Est divisée par 2.",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 13,
"question_title": "Laquelle des affirmations suivantes est correcte concernant la force électrique ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La force électrique dépend du signe des charges et peut être attractive ou répulsive.",
"answers": [
{
"answer_title": "Elle peut être attractive ou répulsive.",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Elle est toujours attractive.",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Elle ne dépend pas du signe des charges.",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Elle ne dépend pas de la distance.",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 14,
"question_title": "Quelle est la valeur de la constante gravitationnelle \\\\( G \\\\) ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La constante gravitationnelle est \\\\( 6{,}67 \\\\times 10^{-11} \\\\mathrm{N \\\\cdot m^2 / kg^2} \\\\).",
"answers": [
{
"answer_title": "\\\\( 6{,}67 \\\\times 10^{-11} \\\\mathrm{N \\\\cdot m^2 / kg^2} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( 8{,}99 \\\\times 10^9 \\\\mathrm{N \\\\cdot m^2 / C^2} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( 9{,}81 \\\\mathrm{N / kg} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( 1{,}60 \\\\times 10^{-19} \\\\mathrm{C} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 15,
"question_title": "Deux charges de \\\\( +4{,}0 \\\\times 10^{-6} \\\\mathrm{C} \\\\) et \\\\( -2{,}0 \\\\times 10^{-6} \\\\mathrm{C} \\\\) sont séparées de \\\\( 0{,}30 \\\\mathrm{m} \\\\). Quelle est la force électrique entre elles ? \\\\( k_e = 8{,}99 \\\\times 10^9 \\\\)",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La force est \\\\( F_e = 8{,}99 \\\\times 10^9 \\\\times 8{,}89 \\\\times 10^{-11} = 0{,}799 \\\\mathrm{N} \\\\).",
"answers": [
{
"answer_title": "\\\\( 0{,}799 \\\\mathrm{N} \\\\)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( 5{,}394 \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( 2{,}697 \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( 1{,}6 \\\\times 10^{-9} \\\\mathrm{N} \\\\)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 16,
"question_title": "Si la distance entre deux charges est multipliée par 3, la force électrique :",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La force électrique varie en \\\\( 1/r^2 \\\\), donc si r triple, la force est divisée par 9.",
"answers": [
{
"answer_title": "Est divisée par 9.",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Est multipliée par 3.",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Est divisée par 3.",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Ne change pas.",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 17,
"question_title": "Laquelle des propositions suivantes est une différence entre interaction gravitationnelle et interaction électrique ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La gravitation est toujours attractive, alors que l'électricité dépend du signe des charges.",
"answers": [
{
"answer_title": "La gravitation est toujours attractive, l'électricité peut être attractive ou répulsive.",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Les deux sont toujours attractives.",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Les deux dépendent du signe des charges.",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "La gravitation dépend de la charge.",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 18,
"question_title": "Trois charges sont alignées : \\\\( q_1 = +2{,}0 \\\\times 10^{-6} \\\\mathrm{C} \\\\) en \\\\( x=0 \\\\), \\\\( q_2 = -3{,}0 \\\\times 10^{-6} \\\\mathrm{C} \\\\) en \\\\( x=0{,}10 \\\\mathrm{m} \\\\), \\\\( q_3 = +1{,}0 \\\\times 10^{-6} \\\\mathrm{C} \\\\) en \\\\( x=0{,}20 \\\\mathrm{m} \\\\). Quelle est la force totale sur \\\\( q_2 \\\\) ? \\\\( k_e = 8{,}99 \\\\times 10^9 \\\\)",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La force nette est \\\\( 5{,}394 - 2{,}697 = 2{,}70 \\\\mathrm{N} \\\\) vers la gauche.",
"answers": [
{
"answer_title": "\\\\( 2{,}70 \\\\mathrm{N} \\\\) vers la gauche",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "\\\\( 2{,}70 \\\\mathrm{N} \\\\) vers la droite",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "\\\\( 5{,}394 \\\\mathrm{N} \\\\) vers la gauche",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "\\\\( 2{,}697 \\\\mathrm{N} \\\\) vers la droite",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 19,
"question_title": "Quelle est l’unité de la force dans le Système International ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "L’unité SI de la force est le newton (N).",
"answers": [
{
"answer_title": "Newton (N)",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Coulomb (C)",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Joule (J)",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Watt (W)",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 20,
"question_title": "Si la masse d’un des deux objets double, la force gravitationnelle :",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "La force gravitationnelle est proportionnelle à chaque masse, donc si une masse double, la force double.",
"answers": [
{
"answer_title": "Double.",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Est divisée par 2.",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Ne change pas.",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Est multipliée par 4.",
"is_correct": false,
"answer_order": 4
}
]
}
]
}