Across
- 3. a push or pull
- 4. rubbing force that acts against the motion between two touching surfaces and always slows an object down
- 5. simple machine made from a grooved wheel with a rope or chainwrapped around the groove
- 7. simple machine consisting of an inclined plane that moves; can have one or two sloping sides
- 8. and Axle simple machine made from two different sized circular objects that are attached and rotate together
- 9. simple machine made from an inclined plane wrapped around a cyclinder
Down
- 1. Plane simple machine with a flat sloped surface or ramp that makes it easier to lift a heavy load by using less force over a greater distance
- 2. ability of a machine to convert input work to output work
- 6. simple machine consisting of a rigid rod or plank that pivots or rotates around a fulcrum
- 8. is done when a force exerted on an object causes that object to move some distance