6 Written Questions

1. inclined plane with one or two sloping sides that moves through an object
2. a machine made of more than one simple machine
3. a simple machine that consists of a rope that fits into a groove in a wheel
4. the transfer of energy that occurs when a force makes an object move
5. the ratio of output force to input force for a machine
6. the mechanical energy that a body has by virtue of its position

6 Multiple Choice Questions

1. a device that makes work easier
   1. screw
   2. machine
   3. wedge
   4. joule
2. simple machine made from two circular objects of different diameters that are attached and rotate together
   1. simple machine
   2. incline plane
   3. wheel and axle
   4. wedge
3. an inclined plane wrapped around a cylinder
   1. screw
   2. work
   3. lever
   4. power
4. a bar that is free to pivot or turn around a fixed point
   1. power
   2. wedge
   3. screw
   4. lever
5. a machine that does work with only one movement
   1. compound machine
   2. machine
   3. simple machine
   4. incline plane
6. a sloping surface, such as a ramp, that reduces the amount of force required to do work
   1. incline plane
   2. simple machine
   3. joule
   4. machine

6 True/False Question

1. law of conservation of energy → the mechanical energy that a body has by virtue of its position
   

   True        False

2. kenetic energy → Energy of Motion
   

   True        False

3. joule → (physics) the rate of doing work
   

   True        False

4. mechanical energy → Energy of Motion
   

   True        False

5. power → (physics) the rate of doing work
   

   True        False

6. efficiency → Energy of Motion
   

   True        False