Shared Flashcard Set

Details

Title

machines

Description

facts and figures about machines

Total Cards

Subject

Science

Level

8th Grade

Created

02/28/2008

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Additional Science Flashcards

Term

machine

Definition

A device that changes the amount of force exerted, the distance over which the force is exerted or the direction in which the force is exerted.

Term

mechanical advantage

Definition

a machine's mechanical advantage is the number of times a machine increase a force exerted on it

Term

mechanical advantage= output force
Input force

Definition

Term

Efficiency

Definition

output work
input work X 100%