unit 4 simple machines

________________ is done whenever a force moves an object a distance.

• Load

• Friction

• Force

• Work

Which type simple machine would the base of a light bulb be?

• screw
• wedge
• wheel and axle
• pulley

The fixed point around which a lever rotates is know as the

• wheel.

• fulcrum.

• input force.

• output force.

A simple machine that splits an object apart is a _______.

• inclined plane

• fulcrum

• wedge

• lever

A ramp is an example of a(n) _______.

• inclined plane

• fulcrum

• force

• lever

What simple machine makes work easier by using a wheel and rope to help move an object?

• pulley

• wheel & axle

• inclined plane

What type of simple machine is this?

• Pulley
• Screw
• Inclined Plane
• Lever

All simple machines help make work _________.

• harder
• smaller
• lighter
• easier

how many types of levers are there?

• 1

• 2

• 3

• 4

• 5

What class lever is pictured?

• Class 1

• Class 2

• Class 3

• Class 4