Simple Machines

Front

What is a simple machine?

Back

A simple machine is a device that helps to reduce the amount of force required to do work.

Front

What is a screw?

Back

A screw is a simple machine that is made up of an inclined plane wrapped around a cylinder, often used to hold things together.

Front

What is a pulley?

Back

A pulley is a grooved wheel with a rope running along the groove, used to lift or lower objects.

Front

What is an inclined plane?

Back

An inclined plane is a flat surface that is tilted at an angle to help raise or lower objects, like stairs.

Front

What is a lever?

Back

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

Front

What is a wedge?

Back

A wedge is a simple machine that is used to split or cut objects apart, shaped like a triangle.

Front

What is the purpose of simple machines?

Back

The purpose of simple machines is to make work easier by reducing the amount of force needed.

Front

Can you give an example of a simple machine in everyday life?

Back

Examples include a ramp (inclined plane), a door handle (lever), or a bottle opener (lever).

Front

What is the relationship between work and force in simple machines?

Back

Simple machines help to reduce the force needed to do work, making tasks easier.

Front

What is an example of a screw in real life?

Back

A common example of a screw is a jar lid, which uses a screw mechanism to stay closed.