Front

A force exerted over a distance to move an object is ______________________.

Back

work

Front

The fixed point on the lever is called _____________________.

Back

fulcrum

Front

A(n) __________ is a push or pull.

Back

force

Front

A lever is designed to: _____________________.

Back

reduce the amount of force required to do work

Front

Which choice is an example of an inclined plane? _____________________.

Back

A ramp

Front

What is a simple machine? _____________________.

Back

A device that makes work easier by allowing us to push or pull with less effort.

Front

Name the six types of simple machines. _____________________.

Back

Lever, Inclined Plane, Wedge, Screw, Pulley, Wheel and Axle

Front

What does an inclined plane do? _____________________.

Back

It allows us to lift heavy objects by spreading the effort over a longer distance.

Front

What is a lever? _____________________.

Back

A bar that pivots on a fixed point called the fulcrum.

Front

What is the purpose of a pulley? _____________________.

Back

To change the direction of a force and make lifting easier.