Simple and Compound Machines

A machine is a device used to:

Which object is a wedge?

How many different types of simple machines are there?

Which of the following is NOT an example of an inclined plane?

The steepness of an inclined plane is also called the....

TRUE or FALSE: The greater the gradient of an inclined plane the lesser the effort needed to move the load.

What number correctly completes the sentence blow?

A wedge is a simple machine made up of ..... inclined planes.

A nail is an example of which simple machine?