Forces and Simple Machines Unit Quiz

A __________ is a push or a pull.

• gravity
• lever
• force
• friction

What force pulls all objects toward the earth?

• gravity 
• friction
• centrifugal force
• motion

What are the type of simple machines?

• inclined plane, screw, wedge, lever, wheel and axle, pulley

• cars, planes, buses, motorcycles, trains, and bicycles

• vacuums, washing machines, dishwashers, freezers and lamps

• ramps, wheels, nails, pulleys, zippers and clamps

A ___________ is made up of at least one slanting side ending in a sharp edge, and is used to force materials apart.

• screw

• lever

• pulley

• wedge

All simple machine make work______________.

• easier

• harder

• more fun

When you use a simple machine you need to use_________force.

• more

• less

• the same amount of

An inclined plane is also known as a ________.

• Gear

• Pulley

• Ramp

• Wheel and axle

• Staircase

The pivot point on a lever is called:

• load

• resistance

• force

• fulcrum

• effort

How can you make the ball roll faster and a further distance? Select all that apply.

• Start it further down the ramp.

• Start it further up the ramp.

• Lower the ramp.

• Make the ramp have a higher (steeper) incline.

John wants to move a heavy box from the ground to his tree house. What simple machine would be best to use?

• lever
• screw
• pulley
• wedge