EES - Lever Review

Front

What is a lever?

Back

a rigid bar that is free to move around a fixed point, called a fulcrum.

Front

The place where a lever pivots is called the _______.

Back

Fulcrum

Front

What class of lever is this? Options: 1st class, 2nd class, 3rd class, None of the above

Back

3rd class

Front

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

Back

First Class Lever

Front

A wheelbarrow is an example of a:

Back

2nd class lever

Front

What class lever is a pair of pilers?

Back

1st

Front

What class lever is a nutcracker?

Back

2nd

Front

When you kick a ball the fulcrum is your ..

Back

knee

Front

What class of lever does the picture show?

Back

First Class Lever

Front

How can Suzy use less effort to lift up the load? Options: Use her leg to press. Move the position of the fulcrum perpendicular to the effort. Move the fulcrum behind the load. Move the fulcrum nearer to the load.

Back

Move the fulcrum nearer to the load