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26 February, 15:50

Refer to a situation where you exert a force F on a crate of mass M, moving it at a speed v a distance d across a floor in a time interval t. The quantity F d/t is?

a.) kinetic energy of the crate

b.) potential energy of the crate

c.) linear momentum of the crate

d.) work you do on the crate

e.) power you supply to the crate

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  1. 26 February, 17:55
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    e.) power you supply to the crate

    Explanation:

    According to given data, we have:

    F = Force exerted on the crate

    M = Mass of the crate

    v = Speed of motion of the crate

    d = Distance traveled by the crate across the floor

    t = Time interval passed

    Now, we try to analyze the given quantity:

    => F d/t

    => (Force) (Displacement) / (Time)

    but, (Force) (Displacement) = Work Done

    Therefore,

    => Work Done/Time

    but, Work Done/Time = Power

    Therefore,

    => Power

    Hence, the quantity F d/t is:

    e.) power you supply to the crate
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