Across
- 4. Work Formula
- 5. a simple machine made of a rigid beam and a fulcrum.
- 7. When a force causes something to move a distance
- 9. a wheel that carries a flexible rope, cord, cable, chain, or belt on its rim.
- 11. mechanical devices that are used to make work easier
- 12. measures the length between objects or points without regard for direction.
- 13. How much easier the machine makes the work
- 14. an inclined plane (or two inclined planes put together to form a triangle) that moves.
Down
- 1. the mechanical advantage determined by physical measurement of the input and output forces
- 2. a small metal rod with a notch in the top that's used as a fastener.
- 3. is the mechanical advantage of a perfect machine with no loss of useful work caused by friction between moving parts.
- 4. a type of simple machine used to make tasks easier in terms of manipulating force by applying the concept of mechanical advantage. The wheel and axle consists of a round disk, known as a wheel, with a rod through the center of it, known as the axle.
- 6. The standard unit used to measure energy and work done in physics is the
- 8. a measure of the opposition to current flow in an electrical circuit.
- 10. simple machine consisting of a sloping surface, used for raising heavy bodies