A person rolls a barrel up an inclined plane with a length of 6m and a height of 3m/ How much force is needed to roll up the barrel the leng

Question

A person rolls a barrel up an inclined plane with a length of 6m and a height of 3m/ How much force is needed to roll up the barrel the length of the inclined plane if the barrel weighs 500N? How much work is done on the barrel?

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Thái Dương 5 years 2021-08-09T23:58:23+00:00 1 Answers 19 views 0

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  1. Nho
    0
    2021-08-09T23:59:39+00:00
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    Answer:

    Length (l) = 6 m

    height (h) = 3 m

    Load(L) = 500 N

    Effort (E) = ?

    we know the principal that

    E * l = L * h

    6 E = 500 * 3

    6E = 1500

    E = 250

    therefore 250 N work is done on the barrel.

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