Simple Machines

Is a flat surface whose one end is higher than the other to lift heavy objects with relatively little effort.

• Wedge

• Inclined Plane

• Screw

• Pulley

Tags

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Is a simple machine made up of two inclined planes placed back to back creating a thick base and a sharp edge.

• Wedge

• Inclined Plane

• Wheel and axle

• Lever

Is another simple machine, which consists of an inclined plane wrapped around a cylinder.

• Wedge

• Lever

• Pulley

• Screw

Is a grooved wheel that turns around an axle which is held in place by a mounting bracket. Rope and wire moves along the wheel's circumference.

• Screw

• Inclined plane

• Pulley

• Lever

It has the same appearance with a pulley, but is has a wheel that is fixed to the axle, like in the steering wheel of a car.

• Incline plane

• Lever

• Wedge

• Wheel and axle

Machines are used to transform, transfer energy, multiply speed or force, and change the direction of the force.

• True

• False

Tags

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Do work in one movement or a one-type-of-work easing device.

• Compound machine

• Simple machine

• Washing machine

• Factory machine

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The following are examples of compound machines EXCEPT..

• Bicycles

• Sewing machines

• Scissors

• Crowbar

The following are parts of a lever.

• Resistance

• Effort

• Fulcrum

• Distance

Tags

NGSS.MS-ETS1-1

Simple machines make work easier by trading ________ for force.

• Distance

• Motion

• Work

• Friction