Question

3. From the following activities listed below, state
whether or not work is done. Give your reasons also
a. An apple is falling off a tree.
b. A girl is pushing a book on a table.
c. A horse is pulling a cart.​

Answer 1

Explanation:

a. An apple is falling off a tree, here work is done as the apple changes its position.

b. A girl is pushing a book on the table here work is done as the book is displaced.

c. A horse is pulling a cart here work is done as the horse is moving and it displacing the cart.

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