Simple Machines and Work

Front

What caused the change in work done for each surface?

Back

Friction differences

Front

What is a wheel and axle?

Back

A wheel turning around a rod

Front

What do you call the force you apply on a machine?

Back

Input force

Front

You must know two things to calculate work—_______ and _______.

Back

Force and distance

Front

__________ is the rate at which work is done.

Back

Power

Front

What is work in physics?

Back

Work is done when a force causes an object to move a distance.

Front

What is the formula for calculating work?

Back

Work = Force x Distance

Front

What is the unit of work?

Back

Joule (J)

Front

What is mechanical advantage?

Back

Mechanical advantage is the ratio of output force to input force in a machine.

Front

What is an inclined plane?

Back

An inclined plane is a flat surface tilted at an angle to help lift objects.