Simple Machines Review

Front

What is a pulley?

Back

A wheel that has a groove along its edge.

Front

How many types of simple machines are there?

Back

6

Front

When does work occur?

Back

When a force causes an object to move in the direction of the applied force.

Front

Identify this simple machine: pulley, wheel & axle, wedge, screw, lever.

Back

pulley

Front

What is a wedge?

Back

A simple machine made up of one or two inclined planes.

Front

What is a lever?

Back

A simple machine that consists of a bar that pivots on a fixed point called a fulcrum.

Front

What is a wheel and axle?

Back

A simple machine made of a wheel attached to a smaller axle, which allows for easier movement.

Front

What is an inclined plane?

Back

A flat surface that is tilted at an angle to help lift objects.

Front

What is a screw?

Back

A simple machine that is an inclined plane wrapped around a cylinder.

Front

What is mechanical advantage?

Back

The factor by which a machine multiplies the force put into it.