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Force and Motion WK4

QuestionAnswer
Machine something that replaces human effort and makes work easier.
Simple Machine A tool that makes work easier; has few or no moving parts.
Energy The ability to do work
Work The ability to move something
Wheel and Axle a simple machine consisting of a grooved wheel turned by a cord or chain with a firmly attached axle together with supports.
Lever a simple machine consisting of a solid bar that rotates around a pivot point; used to lift objects.
Pulley a simple machine made up of a rope wrapped around a wheel. When a downward force is applied on the rope, an upward force is created.
Screw a simple machine made up of a shaft with grooves that wrap around it going from top to bottom.
Inclined Plane an object with a flat, tilted surface, a simple machine that helps things roll or slide upward off the ground.
Wedge a simple machine that can be used to split objects apart, hold objects in place, or lift objects from the ground; consists of two inclined planes joined together.
Created by: 12584744
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