Understanding Simple Machines and Work

Front

What is a machine?

Back

A device that makes work easier.

Front

What is the formula for work?

Back

Work = Force × Distance.

Front

How can a machine make work easier by changing force?

Back

By decreasing the input force and increasing the distance.

Front

What type of simple machine is a wheel and axle?

Back

A simple machine that consists of a wheel attached to a smaller axle, allowing for easier movement.

Front

Which of the following is an example of a simple machine?

Back

A shovel.

Front

What is a lever?

Back

A simple machine that consists of a rigid bar that pivots around a fixed point called the fulcrum.

Front

What is an inclined plane?

Back

A flat surface that is tilted at an angle to help raise or lower objects.

Front

What is a pulley?

Back

A simple machine that uses a wheel and a rope to lift or lower objects.

Front

What is a screw?

Back

A simple machine that converts rotational motion into linear motion, often used to hold objects together.

Front

What is mechanical advantage?

Back

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