Physics - Work and Power Practice Problems

Amy uses 20N of force to push a lawn mower 10 meters. How much work does she do?

How much work does an elephant do while moving a circus wagon 20 meters with a pulling force of 200N?

A 900N mountain climber scales a 100m cliff. How much work is done by the mountain climber?

Shawn uses 45N of force to stop the cart 1 meter from running his foot over. How much work does he do?

A horse performs 15000 joules of work pulling a wagon for 20 seconds. What is the horse's power?

If it takes 50 seconds and 10 Joules move some books, calculate how much power is required to complete this task.

It takes 5 seconds and 250 joules to move a full wagon across the street. How much power is needed?