Movement Analysis

The effort in a lever system is provided by...

• Muscles

• Gravity

• Bones

• Joints

The load in a lever system is often represent by the ................ of the body or body part that is being moved

• Weight

• Shape

• Direction

• Position

The fulcrum of a lever system in the body is represented by a ...........

• Joint

• Angle

• Muscle

• Action

Levers that allow you to move large load with a small amount of effort

• Mechanical Advantage

• Mechanical Disadvantage

Levers that need a large amount of effort to move a small load

• Mechanical Advantage

• Mechanical Disadvantage

Can a 1st Class Lever provide mechanical advantage

• Mechanical Advantage

• Mechanical Disadvantage

A 2nd Class Lever provides mechanical advantage?

• Yes

• No

3rd Class Lever

• Mechanical Advantage

• Mechanical Disadvantage

Think 1, 2, 3.

• F L E

• F E L

• L E F

• E L F

Which lever has the fulcrum between the load and effort?

• 1st Class Lever

• 2nd Class Lever

• 3rd Class Lever