7.2 Simple Machines

Front

How can simple machines make work easier?

Back

by decreasing the force needed to complete the task

Front

What is the trade off when simple machines reduce the input force needed to move an object?

Back

The distance the object is moved is increased.

Front

A ramp is an example of a(n) _______. Options: inclined plane, fulcrum, force, lever

Back

inclined plane

Front

What kind of simple machine is a hammer when used to remove a nail from a wooden board? Options: Wedge, Lever, Pulley, Inclined Plane.

Back

Lever

Front

A seesaw is what simple machine?

Back

lever

Front

Which type of lever is this? Options: First Class Lever, Second Class Lever, Third Class Lever

Back

First Class Lever

Front

What class lever does this picture show? Options: 1st, 2nd, 3rd

Back

2nd

Front

Which lever would be the easiest to lift the load? Options: A, B, C

Back

A

Front

A wheelbarrow is a good example of what class of lever? Options: first class, second class, third class

Back

second class

Front

A screw is made up of ________ wrapped around a pole.

Back

an inclined plane