Unit 2 Vocabulary
Across
- 4. composed of two or more simple machines
- 6. force-amplifying effectiveness of a simple machine
- 10. the amount of work done divided by the time it took
- 11. the point on which the beam pivots
- 12. a beam connected to ground by a hinge, or pivot, called a fulcrum
- 14. force times distance; a measure of the energy expended in applying a force to move an object.
- 15. simple machine involves two circular objects — a larger disc and a smaller cylinder both joined at the center
Down
- 1. A machine with few or no moving parts that is used to make work easier
- 2. an inclined plane around a cylinder
- 3. simple machine consisting of a sloping surface, used for raising heavy bodies
- 5. a simple machine that consists of two inclined planes, giving it a thin end and thick end
- 7. the amount of force applied by the user
- 8. the point around which the object can rotate or turn
- 9. mechanisms compost by wheel and rope used to lift heavy objects onto tall heights
- 11. also known as fulcrum
- 13. a push or pull on an object that produces acceleration in the body on which it acts.