Ecrit par ✅ Quiz : Travail D Une Force Constante
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": "Travail D Une Force Constante",
"quiz_slug": "12_travail_d_une_force_constante_quiz",
"quiz_description": "Quiz Edu509 : Travail D Une Force Constante",
"quiz_settings": {
"time_limit": {
"time_value": 0,
"time_type": "minutes"
},
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"attempts_allowed": 0,
"passing_grade": 70,
"max_questions_for_answer": 0,
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"short_answer_characters_limit": 200
},
"questions": [
{
"question_order": 1,
"question_title": "Quel est le travail effectué par une force constante de \\\\( 30\\\\,\\\\mathrm{N} \\\\) qui agit dans la même direction qu’un déplacement de \\\\( 4,0\\\\,\\\\mathrm{m} \\\\) ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est \\\\( W = F \\\\cdot d \\\\cdot \\\\cos(0^\\\\circ) = 30 \\\\times 4,0 \\\\times 1 = 120\\\\,\\\\mathrm{J} \\\\).",
"answers": [
{
"answer_title": "120\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "34\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "7,5\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "0\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 2,
"question_title": "Une force de \\\\( 50\\\\,\\\\mathrm{N} \\\\) agit sur un objet sur \\\\( 2,0\\\\,\\\\mathrm{m} \\\\) avec un angle de \\\\( 60^\\\\circ \\\\) par rapport au déplacement. Quel est le travail effectué ? (\\\\( \\\\cos(60^\\\\circ) = 0,5 \\\\))",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est \\\\( W = 50 \\\\times 2,0 \\\\times 0,5 = 50\\\\,\\\\mathrm{J} \\\\).",
"answers": [
{
"answer_title": "50\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "100\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "25\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "86\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 3,
"question_title": "Si une force de \\\\( 15\\\\,\\\\mathrm{N} \\\\) agit perpendiculairement à un déplacement de \\\\( 3,0\\\\,\\\\mathrm{m} \\\\), quel est le travail effectué ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est nul car \\\\( \\\\cos(90^\\\\circ) = 0 \\\\), donc \\\\( W = 15 \\\\times 3,0 \\\\times 0 = 0\\\\,\\\\mathrm{J} \\\\).",
"answers": [
{
"answer_title": "0\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "45\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "15\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "5\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 4,
"question_title": "Un objet est tiré par une force de \\\\( 40\\\\,\\\\mathrm{N} \\\\) sur \\\\( 5,0\\\\,\\\\mathrm{m} \\\\) avec un angle de \\\\( 180^\\\\circ \\\\) par rapport au déplacement. Quel est le travail effectué ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est \\\\( W = 40 \\\\times 5,0 \\\\times \\\\cos(180^\\\\circ) = 40 \\\\times 5,0 \\\\times (-1) = -200\\\\,\\\\mathrm{J} \\\\).",
"answers": [
{
"answer_title": "-200\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "200\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "0\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "-40\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 5,
"question_title": "Quelle(s) affirmation(s) est/sont vraie(s) concernant le travail d’une force constante ?",
"question_type": "multiple_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail dépend de l’angle et de la distance. Il peut être nul si la force est perpendiculaire.",
"answers": [
{
"answer_title": "Le travail dépend de l’angle entre la force et le déplacement.",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Le travail est toujours positif.",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Le travail est nul si la force est perpendiculaire au déplacement.",
"is_correct": true,
"answer_order": 3
},
{
"answer_title": "Le travail ne dépend pas de la distance parcourue.",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 6,
"question_title": "Une force de \\\\( 25\\\\,\\\\mathrm{N} \\\\) agit sur un objet sur \\\\( 6,0\\\\,\\\\mathrm{m} \\\\) avec un angle de \\\\( 45^\\\\circ \\\\). (\\\\( \\\\cos(45^\\\\circ) = 0,707 \\\\)). Quel est le travail effectué ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est \\\\( W = 25 \\\\times 6,0 \\\\times 0,707 = 106,05\\\\,\\\\mathrm{J} \\\\).",
"answers": [
{
"answer_title": "106,05\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "150\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "212\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "75\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 7,
"question_title": "Pour une force de \\\\( 10\\\\,\\\\mathrm{N} \\\\) appliquée sur \\\\( 8,0\\\\,\\\\mathrm{m} \\\\) avec \\\\( \\\\theta = 0^\\\\circ \\\\), quelle est la valeur du travail ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est \\\\( W = 10 \\\\times 8,0 \\\\times 1 = 80\\\\,\\\\mathrm{J} \\\\).",
"answers": [
{
"answer_title": "80\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "18\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "0\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "10\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 8,
"question_title": "Un objet est déplacé de \\\\( 3,0\\\\,\\\\mathrm{m} \\\\) sous l’action d’une force de \\\\( 12\\\\,\\\\mathrm{N} \\\\) inclinée à \\\\( 60^\\\\circ \\\\). (\\\\( \\\\cos(60^\\\\circ) = 0,5 \\\\)). Quel est le travail ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est \\\\( W = 12 \\\\times 3,0 \\\\times 0,5 = 18\\\\,\\\\mathrm{J} \\\\).",
"answers": [
{
"answer_title": "18\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "36\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "12\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "0\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 9,
"question_title": "Une force de \\\\( 60\\\\,\\\\mathrm{N} \\\\) agit sur une caisse sur \\\\( 4,0\\\\,\\\\mathrm{m} \\\\) avec un angle de \\\\( 20^\\\\circ \\\\). (\\\\( \\\\cos(20^\\\\circ) = 0,94 \\\\)). Quel est le travail effectué ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est \\\\( W = 60 \\\\times 4,0 \\\\times 0,94 = 225,6\\\\,\\\\mathrm{J} \\\\).",
"answers": [
{
"answer_title": "225,6\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "240\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "56,4\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "188,4\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 10,
"question_title": "Si une force s’oppose au déplacement, que peut-on dire du travail effectué ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Quand la force s’oppose au déplacement, l’angle est \\\\( 180^\\\\circ \\\\) et \\\\( \\\\cos(180^\\\\circ) = -1 \\\\), donc le travail est négatif.",
"answers": [
{
"answer_title": "Le travail est négatif.",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Le travail est positif.",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Le travail est toujours nul.",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Le travail est maximal.",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 11,
"question_title": "Une force de \\\\( 20\\\\,\\\\mathrm{N} \\\\) agit sur \\\\( 5,0\\\\,\\\\mathrm{m} \\\\) avec \\\\( \\\\theta = 0^\\\\circ \\\\). Quel est le travail ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est \\\\( W = 20 \\\\times 5,0 = 100\\\\,\\\\mathrm{J} \\\\).",
"answers": [
{
"answer_title": "100\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "25\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "0\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "4\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 12,
"question_title": "Un traîneau est tiré par une force de \\\\( 40\\\\,\\\\mathrm{N} \\\\) sur \\\\( 8,0\\\\,\\\\mathrm{m} \\\\) à \\\\( 30^\\\\circ \\\\) de l’horizontale. (\\\\( \\\\cos(30^\\\\circ) = 0,866 \\\\)). Quel est le travail de cette force ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est \\\\( W = 40 \\\\times 8,0 \\\\times 0,866 = 277,12\\\\,\\\\mathrm{J} \\\\).",
"answers": [
{
"answer_title": "277,12\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "320\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "120\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "346,4\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 13,
"question_title": "Une force de frottement de \\\\( 15\\\\,\\\\mathrm{N} \\\\) s’oppose à un déplacement de \\\\( 8,0\\\\,\\\\mathrm{m} \\\\). Quel est le travail du frottement ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est \\\\( W = -15 \\\\times 8,0 = -120\\\\,\\\\mathrm{J} \\\\) car la force est opposée au déplacement.",
"answers": [
{
"answer_title": "-120\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "120\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "0\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "-15\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 14,
"question_title": "Quel(s) cas donne(nt) un travail nul ?",
"question_type": "multiple_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est nul si la force est perpendiculaire au déplacement ou si la force est nulle.",
"answers": [
{
"answer_title": "Force perpendiculaire au déplacement",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "Force opposée au déplacement",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "Force dans le même sens que le déplacement",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "Force nulle",
"is_correct": true,
"answer_order": 4
}
]
},
{
"question_order": 15,
"question_title": "Un objet est déplacé de \\\\( 10\\\\,\\\\mathrm{m} \\\\) par une force de \\\\( 5,0\\\\,\\\\mathrm{N} \\\\) à \\\\( 0^\\\\circ \\\\). Quel est le travail ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est \\\\( W = 5,0 \\\\times 10 = 50\\\\,\\\\mathrm{J} \\\\).",
"answers": [
{
"answer_title": "50\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "5\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "10\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "0\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 16,
"question_title": "Une force de \\\\( 100\\\\,\\\\mathrm{N} \\\\) agit sur \\\\( 2,0\\\\,\\\\mathrm{m} \\\\) à \\\\( 90^\\\\circ \\\\). Quel est le travail ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est nul car \\\\( \\\\cos(90^\\\\circ) = 0 \\\\).",
"answers": [
{
"answer_title": "0\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "200\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "100\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "-200\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 17,
"question_title": "Un objet est tiré par une force de \\\\( 60\\\\,\\\\mathrm{N} \\\\) sur \\\\( 2,0\\\\,\\\\mathrm{m} \\\\) à \\\\( 120^\\\\circ \\\\). (\\\\( \\\\cos(120^\\\\circ) = -0,5 \\\\)). Quel est le travail ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est \\\\( W = 60 \\\\times 2,0 \\\\times (-0,5) = -60\\\\,\\\\mathrm{J} \\\\).",
"answers": [
{
"answer_title": "-60\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "60\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "120\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "-120\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 18,
"question_title": "Une force de \\\\( 80\\\\,\\\\mathrm{N} \\\\) agit sur \\\\( 1,5\\\\,\\\\mathrm{m} \\\\) à \\\\( 0^\\\\circ \\\\). Quel est le travail ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est \\\\( W = 80 \\\\times 1,5 = 120\\\\,\\\\mathrm{J} \\\\).",
"answers": [
{
"answer_title": "120\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "80\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "1,5\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "0\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 19,
"question_title": "Un objet est déplacé de \\\\( 7,0\\\\,\\\\mathrm{m} \\\\) par une force de \\\\( 10\\\\,\\\\mathrm{N} \\\\) à \\\\( 60^\\\\circ \\\\). (\\\\( \\\\cos(60^\\\\circ) = 0,5 \\\\)). Quel est le travail ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est \\\\( W = 10 \\\\times 7,0 \\\\times 0,5 = 35\\\\,\\\\mathrm{J} \\\\).",
"answers": [
{
"answer_title": "35\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "70\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "17,5\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "0\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
},
{
"question_order": 20,
"question_title": "Une force de \\\\( 25\\\\,\\\\mathrm{N} \\\\) agit sur \\\\( 4,0\\\\,\\\\mathrm{m} \\\\) à \\\\( 90^\\\\circ \\\\). Quel est le travail ?",
"question_type": "single_choice",
"question_mark": 1,
"answer_required": true,
"randomize_question": false,
"show_question_mark": true,
"question_description": "",
"question_explanation": "Le travail est nul car la force est perpendiculaire au déplacement.",
"answers": [
{
"answer_title": "0\\\\,\\\\mathrm{J}",
"is_correct": true,
"answer_order": 1
},
{
"answer_title": "100\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 2
},
{
"answer_title": "25\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 3
},
{
"answer_title": "4\\\\,\\\\mathrm{J}",
"is_correct": false,
"answer_order": 4
}
]
}
]
}