Simple Machines

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 does a simple machine help to reduce?

Back

A simple machine helps to reduce the amount of force required to work.

Front

What type of simple machine is a wheel and axle?

Back

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

Front

What is a wedge?

Back

A wedge is a simple machine that can split things apart or hold a door open.

Front

What is a screw?

Back

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

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 a lever?

Back

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

Front

What is the purpose of a simple machine?

Back

The purpose of a simple machine is to make work easier by allowing us to apply less force.

Front

What is a gear?

Back

A gear is a rotating machine part with teeth that mesh with another gear to transmit torque and change direction.

Front

What is mechanical advantage?

Back

Mechanical advantage is the ratio of the output force produced by a machine to the input force applied.