Question

Suppose a force of 100 n is used to push an object a distant of 5.0 m in 15 seconds. Find the work done and the power done in this situation.

Answer 1

Work = (force) x (distance)

Work = (100 N) x (5.0 m)

Work = 500 Newton-meters

Power = (work done) / (time to do the work)

Power = (500 Joules) / (15 sec)

Power = 33-1/3 joules per sec.

The force does 500 Joules of work, at the rate of 33-1/3 watts.