9 HPE Biomechanics

Biomechanics deals with which of the following?

• force
• matter
• motion
• all of these

What is force?

• A push exerted on an object
• A push or pull exerted on an object
• A pull exerted on an object
• Nothing

With unbalanced forces, the object will move in the direction of the _______ force.

• larger 
• smaller 
• equal 

Is this and example of a balanced or unbalanced force?

• balanced

• unbalanced

Which is a simple machine?

• Fulcrum

• Load

• Effort

• Lever

How many classes of levers are there?

• 1

• 2

• 3

• 4

You determine what class a lever is by the part that is in the middle.

• True

• False

If the effort is in the middle of the lever what class is it?

• 1st

• 2nd

• 3rd

• 4th

If the fulcrum is in the middle of the lever what class is it?

• 1st

• 2nd

• 3rd

• 4th

If the load is in the middle of the lever what class of lever is it?

• 1st

• 2nd

• 3rd

• 4th