Unit 9 Test Review 25

Front

What is the rate at which work is done?

Back

Power

Front

When a machine is used to perform a task, the work output is always ________ than the work input.

Back

more

Front

What is work?

Back

The transfer of energy.

Front

Which Class Lever is represented by a Bent Leg?

Back

3rd Class

Front

What do we call two or more simple machines working together?

Back

Compound machine.

Front

What is the definition of Force?

Back

A push or pull on an object.

Front

What is Mechanical Advantage?

Back

The ratio of the output force to the input force in a machine.

Front

What is the formula for calculating Power?

Back

Power = Work / Time.

Front

What is a Simple Machine?

Back

A device that makes work easier by allowing us to push or pull over increased distances.

Front

What are the six types of simple machines?

Back

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