Simple Machines Worksheet

What can a simple machine do for us?

• Create electricity

• Reduce the amount of effort needed to do work

• Increase the weight of objects

• Make machines more complicated

How many types of simple machines are there?

• 4

• 6

• 3

• 10

Which of the following is NOT a type of simple machine?

• Pulley

• Screw

• Gearbox

• Wedge

What does a lever rotate around?

• The effort point

• A pulley

• A wheel

• A fulcrum

A ramp is an example of which type of simple machine?

• Pulley

• Inclined plane

• Lever

• Screw

What is the formula for work?

• Work = Force × Distance

• Work = Mass × Acceleration

• Work = Power × Time

• Work = Energy ÷ Time

What is mechanical advantage?

• The distance moved by the machine

• An advantage gained by using simple machines to accomplish work with less effort

• The time saved when using a machine

• The amount of electricity used

What type of simple machine reduces friction by rolling?

• Screw

• Lever

• Wheel and axle

• Pulley

What part of the trebuchet provides the input force?

• The counterweight

• The sling

• The projectile

• The pivot

Compound machines use two or more simple machines.

• True

• False