Simple Machines

Front

What is a simple machine?

Back

A simple machine is a device that changes the direction or magnitude of a force, making work easier.

Front

What are the six types of simple machines?

Back

The six types of simple machines are lever, wheel and axle, pulley, inclined plane, wedge, and screw.

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 wheel and axle?

Back

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

Front

What is a pulley?

Back

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

Front

What is a wedge?

Back

A wedge is a simple machine that is used to split or cut objects, consisting of two inclined planes.

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.

Front

What is work in physics?

Back

Work is done when a force is applied to an object and the object moves in the direction of the force.

Front

What unit is used to measure work?

Back

Work is measured in Joules.

Front

What is the formula for calculating work?

Back

Work = Force x Distance.