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25 January, 03:11

In order to move a bag of dog food across a room that measures 8 meters in length, you apply 10 newtons of force. How much work was done?

a) 2 joules

b) 10 joules

c) 18 joules

d) 80 joules

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Answers (1)
  1. 25 January, 06:03
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    d) 80 joules

    Explanation:

    Given that

    Distance to move, d = 8 m

    Applied force, F = 10 N

    As we know that work done by a force to move a object distance d given as

    W = F. d

    Now by putting the values in the formula

    W = 10 x 8 N. m

    W = 80 N. m

    We know that 1 J = 1 N. m

    Therefore we can say that

    W = 80 J

    Therefore the answer will be d

    d) 80 joules
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