Work and Machines

Science

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A Machine Made Of Two Or More Simple Machines.

Compound Machine

Compound Machine Simple Definition

The Percentage Of Energy Input That A Machine Converts To Work Output.

Efficiency

Efficiency Simple Definition

Fixed Point On Which A Lever Pivots.

Fulcrum

Fulcrum Simple Definition

A Simple Machine With A Flat, Sloped Surface.

Inclined Plane

Inclined Plane Simple Definition

The Force Applied To A Machine.

Input Force

Input Force Simple Definition

The SI Unit Of Energy, Also Known As The Newton-meter.

Joule

Joule Simple Definition

A Simple Machine That Consists Of A Bar That Pivots On A Fixed Point.

Lever

Lever Simple Definition

A Device That Makes Work Easier By Changing The Size Or Direction (or Both) Of A Force.

Machine

Machine Simple Definition

The Ratio Of The Output Force To The Input Force In A Machine.

Mechanical Advantage

Mechanical Advantage Simple Definition

The Force Exerted By A Machine.

Output Force

Output Force Simple Definition

The Rate At Which Work Is Done, It Is Measured In Watts (W).

Power

Power Simple Definition

A Simple Machine Made Of A Wheel With A Rope Around It.

Pulley

Pulley Simple Definition

A Simple Machine Made Of An Inclined Plane Wrapped Around A Cylinder.

Screw

Screw Simple Definition

A Simple Machine Made Of One Or Two Inclined Planes.

Wedge

Wedge Simple Definition

A Simple Machine Made Of A Wheel With A Rod Joined At Its Center, They Rotate Together.

Wheel And Axle

Wheel And Axle Simple Definition

The Use Of Force To Move An Object Over A Distance, Its Unit Is The Joule (J).

Work

Work Simple Definition