A light plastic cart and a heavy steel cart are both pushed with the same force for a distance of 1.0 m, starting from rest. After the force

Question

A light plastic cart and a heavy steel cart are both pushed with the same force for a distance of 1.0 m, starting from rest. After the force is removed, the kinetic energy of the light plastic cart is ________ that of the heavy steel cart.

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Trúc Chi 4 years 2021-08-04T12:49:53+00:00 1 Answers 548 views 0

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  1. Nho
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    2021-08-04T12:51:45+00:00
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    Answer:

    The kinetic energy of the light plastic cart is equal to that of the heavy steel cart.

    Explanation:

    It is known that both carts are pushed with the same amount of force and they also covered the same distance of 1 m which means both carts have done same amount of work.

    W = F.d

    From the work energy equation

    ΔKE = W

    ΔKE = F.d

    Since force and distance are same for both carts then the change in kinetic energy would also be equal for both carts.

    In order to have greater kinetic energy, a greater force will be required hence resulting in greater work done.

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