Simple Machines Review

A bar or a board that can pivot on a point is known as what? 

• pulley
• fulcrum
• lever
• inclined plane

The ability to do work is known as what? 

• work
• effort
• energy

Which of the following is an example of a lever?

• pulley
• knife
• can opener
• ramp

A grooved wheel with a rope running along the groove is knonw as what? 

• inclined plane
• screw
• pulley
• wheel and axle

The point that a lever pivots own is known as what? 

• fulcrum
• load
• effort force
• wedge

An inclined plane wrapped a cylinder is known as what? 

• wedge
• screw
• wheel and axle
• pulley

Which of the following is not an example of a screw? 

• light bulb
• ramp
• bottle top
• jar lid

A pulley that is attached to a structure and only changes the direction of the effort force is known as what? 

• fixed pulley
• movable pulley

A pulley that is attached to the load that it is lifting is known as what? 

• fixed pulley
• movable pulley

What tool is used to measure force? 

• newton
• spring scale
• pulley
• fulcrum