Question
Asked Dec 17, 2019
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Choose the best answer. A car traveling at constant speed has a
net work of zero done on it. (a) True (b) False (c) The answer
depends on the motion.

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Expert Answer

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Option (a) true.

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According to the work-energy theorem, the network done on an object is equal to the change in kinetic energy of the object. The car is moving with a constant speed. So, the change in kinetic energy of the car is zero. Hence, the net work done on the car at constant speed is zero.

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Science

Physics

Work,Power and Energy

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