Levers

Question 1

Lever?

Answer 1

A rigid bar/ object that moves around a fixed fulcrum with two forces applied to it

Question 2

Fulcrum?

Answer 2

A fixed pivot joint

eg: a joint in the body

Question 3

Effort?

Answer 3

The source of energy

eg: muscles

Question 4

Resistance/load

Answer 4

The weight / resistance to be moved

eg: body part/something held/resistance

Question 5

Which is in the middle?

Mnemonic

Answer 5

123

FRE

Question 6

Example of 1st class lever

Answer 6

Elbow extension

Question 7

Example of a 2nd class lever

Answer 7

Anything at the ANKLE

Question 8

Example of a 3rd class lever

Answer 8

any other movement in the body

eg: bicep curl