Unit D Alex L

5. pressure applied to an equation p=F/A
6. to transfer the energy from the engine to the wheels
8. is similar in shape to an inclined plane
10. machine is a system in which simple machines all work together
11. of a machine is the amount by which machine can multiply a force
14. is a group of parts that work together to perform a function
15. is a tool or device made up of one basic machine
17. a measure of how the speed of the object travels in a given amount of time
20. is a cylinder with groove cut in spiral on the outside
22. is done when a force acts on an object to make the object move
23. is the part that transfers your energy from pedals to the back wheel
24. is a rigid bar or plank that can rotate around a fixed point called a pivot or fulcrum

1. usually contains a simple machine
2. is a force the opposes motion
3. or ramp would make it easier for you to move the box up onto the desk
4. are essential components of most mechanical system
7. uses a liquid under pressure to move loads
9. the force the machine applies to the object
12. is a measurement of how well a machine uses energy
13. is a combination of two wheels of different diameters that turn together
16. the force applied to the machine
18. is a measure of the amount of force applied to a given area
19. is a device that helps us do work
21. consists of wire,rope,or cable moving on a grooved wheel