Simple Machines Review

The fixed point on a lever is called...

• load
• fulcrum
• effort
• force

How does a simple machine make work easier?

• reducing work
• reducing force
• increasing work
• increasing force

What is an incline plane?

• a sloping surface
• a grooved wheel with a rope
• a rigid bar
• a fixed point

Which incline plane uses the least amount of force?

• short height, long length
• short height, short length
• tall height, long length
• tall height, short length

What is force measured in?

• weight
• newtons
• grams
• meters

A slide and stairs are an example of what simple machine?

• pulley
• wheel and axle
• incline plane
• lever

What is true about the amount of work done when you use a pulley to lift a load compared to not using a pulley?

• it uses the same amount of work
• it uses less work
• it uses more work
• what is work?

What simple machine has a wheel with a groove on it that keeps a rope in place?

• pulley
• lever
  lever
• screw
  wedge
• wedge
  screw

What type of simple machine are these people using to move the wheel chair into the school bus?

• lever
• wedge
• inclined plane
• pulley

What can be used to make work easier?

• screw

• wedge

• force

• simple machine