Simple Machines - Checking Comprehension

Front

What is a machine?

Back

A machine is any device that helps us do work.

Front

What is the wheel and axle?

Back

The wheel and axle is a simple machine that helps people lift heavy loads with less effort.

Front

What is work in physics?

Back

Work is the result of force moving an object.

Front

What is an inclined plane?

Back

An inclined plane is a sloping surface that makes it easier to move an object to a higher or lower place.

Front

What is a gear?

Back

A gear is a special kind of wheel that transfers force from one part of a machine to another.

Front

What is a lever?

Back

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

Front

What is a pulley?

Back

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

Front

What is a fulcrum?

Back

A fulcrum is the point on which a lever pivots.

Front

What is a wedge?

Back

A wedge is a simple machine that is used to split or cut objects apart.

Front

What is a screw?

Back

A screw is a simple machine that converts rotational force into linear motion.