Physics Work and Energy Concepts

Front

Definition of work in physics

Back

Force applied through a distance

Front

Unit for measuring work

Back

Joules

Front

Zero work condition

Back

When force and motion are perpendicular

Front

Equation for work

Back

W = F \times d

Front

Simple machine definition

Back

A device that does work with only one movement

Front

Law of conservation of energy

Back

Energy cannot be created or destroyed

Front

Example of a simple machine

Back

Lever

Front

Work done when object is at rest

Back

Zero

Front

Mechanical advantage purpose

Back

Increases force or speed

Front

Work done by a machine

Back

Depends on force and distance