Simple Machines and Work Flashcard Review

Front

Energy and work are measured in the SI unit _________________.

Back

Joules (J)

Front

How can a machine make work easier for you?

Back

by changing the direction of your force

Front

What is the ideal mechanical advantage of this inclined plane?

Back

3

Front

What kind of simple machine is a knife?

Back

wedge

Front

Which of the following does a simple machine do?

Back

all of the above

Front

What is a simple machine?

Back

A device that makes work easier by allowing us to apply less force over a longer distance.

Front

Name the six types of simple machines.

Back

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

Front

What is the purpose of a lever?

Back

To amplify force or change the direction of force.

Front

How does an inclined plane help in doing work?

Back

It allows you to lift heavy objects with less effort by spreading the distance over which the force is applied.

Front

What is mechanical advantage?

Back

The ratio of the output force produced by a machine to the input force applied.