3. At the 2013 World Weightlifting Championships, Tatiana Kashirina set the world record for the Women's Clean and Jerk using an average force of 1900N to lift the weight 2.2 meters, how much work was done?

4. To slide a book across a table, you exert a force of 4.3 N in the direction of motion. How far have you moved the book if you do 1.6 J of work?

5. How long does it take to exert 1500 J of work if power output is 350 W?

6. A microwave emits 22,000 J of energy in 2.0 minutes. What is the power of the microwave?

7. An object that weighs 35 N on Earth moves downward a distance of 120 m in 22 seconds. What is the power output?

8. An elevator must lift 1050 kg a distance of 80.0 m at a velocity of 3.5 m/s. What is the average power the elevator exerts during this trip?