You throw your graduation cap into the air. (a) If the cap flies 8.5 meters upward, how much time does it take until the cap stops? (b) How much time does it take until the cap returns to
you?

Match the words or actions and their definition. 1. the rate of doing work 2. a machine that changes motion 3. the force that is used to generate electricity 4. 550 foot-pounds per second 5. the force that makes things fall toward the earth 6. work in > work out 7. metric measurement of work 8. the product of force times distance water falling from a dam newton-meter gravity work windmill power the work principle 1 horsepower