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18 April, 19:10

How would the acceleration of a chain of three shopping carts compare with the acceleration of a single cart if the same force acted on both?

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  1. 18 April, 20:40
    F = ma

    Let the mass of the 3 carts be 3m.

    F = (3m) a

    a = F / (3m) ... (1)

    Now if the same force F is acted upon by a single cart, let the mass, be m.

    F = ma

    a = F/m ... (2)

    From equations (1) and (2) we can see the that the acceleration on the 3 carts is less than that on a single cart by (1/3).

    That's if the each cart has the same mass.
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