An average television has a picture tube with energetic electrons that produce the image on the front of the screen. The movement of the electrons in the television tube is controlled by A. laser guidance

B
computer programming


C
microwaves


D
elec tromagnetism

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