Simple Machines. Machine Machine- A tool used to make work easier.

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Presentation transcript:

Simple Machines

Machine Machine- A tool used to make work easier.

Simple Machine Simple Machine- Simple tools used to make work easier.

Compound Machine Compound Machine- Two or more simple machines working together to make work easier.

Work Work- A force acting on an object to move it across a distance.

7 types of simple machines

Inclined Plane Incline Plane- A flat surface that is slanted to help move objects over a distance.

Wedge Wedge- The pointed edge of an inclined plane. Used to push things apart.

Screw Screw- An inclined plane wrapped around a cylinder.

Lever Lever- An arm that pivots (turns) against a fulcrum.

Wheel and Axle Wheel and Axle- The rotation of a lever against a point, moving an object across a distance. The wheel turns the axle.

Pulley Pulley- The use of a wheel to rotate a rope or cord. The cord wraps around the wheel, and as the wheel rotates, the rope move in either direction.

Gear Gear- Two toothed wheels that fit together so that one moves the other.