Achild in a tree house uses a rope attached to a basket to lift a 24 n dog upward through a distance of 4.9 m into the house.
how much work does the child do in lifting the dog?

117.6 Joules

We are given;

We are required to calculate the work done

In this case;

Force applied is equivalent to the weight of the dog.

Work done = 24 N × 4.9 m

                  = 117.6 Joules

Hence, the work done in lifting the dog is 117.6 Joules

the answer is kevlar

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