Vocabulary for Simple Machines

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Vocabulary for Simple Machines

• Study these terms for your vocabulary test.

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Force

• force- a push that moves an object away or a pull
  that moves an object near

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Friction

• friction- a force that slows or stops motion
  between two surfaces that are touching

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Gravity

• gravity- the force that pulls bodies or objects
  toward other bodies or objects

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Inclined Plane

• inclined plane- a simple machine made up of a
  slanted surface

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Lever

• lever- a simple machine made up of a stiff bar
  that moves freely around a fixed point

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Motion

• motion- a change in an objects position as
  compared to objects around it

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Position

• position- an objects location, or place

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Pulley

• pulley- a simple machine made up of a rope fitted
  around the rim of a fixed wheel

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Screw

• screw- a simple machine made up of an inclined
  plane wrapped around a column

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Simple Machine

• simple machine- a device that changes a force

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Speed

• speed- a measure of the distance an object
  travels in a certain amount of time

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Velocity

• velocity- a measure of speed in a certain
  direction

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Wedge

• wedge- a simple machine made up of two inclined
  planes

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Wheel and Axle

• wheel and axle- a simple machine made up of two
  cylinders that turn on the same axis