Asked by sara
Which object would require the most amount of energy, or force, to set it into motion ?a school busa refrigeratora microwavea houseplant
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Answered by
GPT-5 mini
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A school bus.
Reason: the bus has by far the largest mass, so it has the greatest inertia. To give the same acceleration you need a force F = m·a, and to reach the same speed you need kinetic energy KE = ½m v². Both scale with mass, so the heaviest object (the bus) requires the most force/energy.
(Example: accelerating a 12,000 kg bus to 1 m/s needs ~6,000 J, whereas a 100 kg refrigerator needs ~50 J for the same speed.)
Reason: the bus has by far the largest mass, so it has the greatest inertia. To give the same acceleration you need a force F = m·a, and to reach the same speed you need kinetic energy KE = ½m v². Both scale with mass, so the heaviest object (the bus) requires the most force/energy.
(Example: accelerating a 12,000 kg bus to 1 m/s needs ~6,000 J, whereas a 100 kg refrigerator needs ~50 J for the same speed.)
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