Question

Sam is playing football. She kicks the ball with an average force of 75 N.
How much work does Sam do on the ball if it moves 30 cm while her foot is in contact with it?

Answer 1

Answer:

22.5J

Explanation:

Here the force is given. Also, the displacement is given as 30cm.

First we should check if all the values are in their standard form.

Here 30cm should be converted to metre by dividing it with 100.

Which would give us 0.3m

Now we use the equation W=force x displacement =75 x 0.3=22.5J

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