Across
- 2. the SI unit of power, equal to one joule per second
- 5. an inclined plane wrapped around a cylinder
- 7. a simple machine that consists of a rope that fits into a groove in a wheel
- 8. a common unit of power, equal to about 746 watts
- 10. a rigid bar that is free to move around a fixed point
- 11. a device that changes a force
Down
- 1. the SI unit of work, equal to 1 newton-meter
- 2. a V-shaped object whose sides are two inclined planes sloped toward each other
- 3. the fixed point a lever rotates around
- 4. Machine a combination of two or more simple machines that operate together
- 6. the product of distance and the force in the direction an object moves
- 7. the rate of doing work
- 9. Plane a slanted surface along which a force moves an object to a different elevation