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26 August, 07:33

Your shopping cart has a mass of 65 kilograms, In order to accelerate the shopping cart down an aisle at 0.3 m/sec2, what force would you need to use or apply to the cart?

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  1. 26 August, 07:39
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    Remember Newton's second law: F=ma

    to get the force in newtons, mass should be in kg and acceleration in m/s^2

    conveniently, we don't need to convert units

    we just need to multiply the two to get the force

    65 * 0.3 = 19.5 kg m/s^2 or N

    if significant digit is an issue, the least number if sig figs is 1 so the answer would be 20 N
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