Physical Science Chapter 14 Machines

What is the product of force and distance?

• joule

• work

• power

• watt

What is the rate of doing work?

• joule

• work

• power

• watt

What is the SI unit of work?

• joule

• work

• power

• watt

What is the SI unit for power

• joule

• work

• power

• watt

A device that changes a force and makes work easier.

• horsepower

• machine

• input force

• input distance

The force you exert on a machine.

• horsepower

• machine

• input force

• input distance

A common unit of power and is equal to about 746 watts.

• horsepower

• machine

• input force

• input distance

What is the distance the input force acts through?

• horsepower

• machine

• input force

• input distance

What is the work done by the input force acting through the input distance?

• work input

• output force

• output distance

• work output

Equals output force multiplied by the output distance.

• work input

• output force

• output distance

• work output