2020 Simple Machines

Simple machines transfer ____________ from one object to another by the action of a force.

• energy

• an effort

• a load

• speed

Levers and other simple machines allow people to use a small amount of energy to create a large amount of energy.

• True

• False

Simple machines can be

• force multipliers

• speed multipliers

• load multipliers

• energy multipliers

Which two of the following simple machines are inclined planes?

• Ramps

• Gears

• Wedges

• Pulleys

A circular doorknob is an example of a

• wheel and axle

• gear

• pulley

• wedge

What is a fulcrum?

• The turning point of a lever

• The force used to cause movement

• force, such as the weight of an object, resisting motion

What is an effort?

• The turning point of a lever

• The force used to cause movement

• force, such as the weight of an object, resisting motion

What is a load?

• The turning point of a lever

• The force used to cause movement

• force, such as the weight of an object, resisting motion

When a hammer is used to pull a nail out of a block of wood, is it being used as a __________________?

• force multiplier

• speed multiplier

• effort multiplier

• load multiplier

A tennis racquet is being used as a __________________?

• force multiplier

• speed multiplier

• effort multiplier

• load multiplier