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24 January, 07:41

uppose the bottom block has a mass of 0.4 kg and the top block has a mass of 0.1 kg. What force do you need to exert (in newtons) to keep the blocks moving at a constant speed of 10 cm/s

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  1. 24 January, 08:19
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    F = 0

    Explanation:

    Newton's second law is

    F = ma

    As in this case the two blocks move with constant speed, it implies that the acceleration is zero, therefore the force applied to the system is zero

    F = 0
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