Simple Machines

Machine

Machine- A tool used to make work easier.

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Simple Machine

Simple Machine- Simple tools used to make work easier.

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Compound Machine

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

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Work

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

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7 types of simple machines

7 types of simple machines

Inclined PlaneInclined Plane

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

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

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WedgeWedge

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

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

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ScrewScrew

•Screw- An inclined plane wrapped around a cylinder.

•Screw- An inclined plane wrapped around a cylinder.

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LeverLever

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

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

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

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

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PulleyPulley• 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.

• 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.

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GearGear

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

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

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