Soc 20- Levers

Question 1

What is a lever?

Answer 1

A lever refers to a system of muscles and bones working together to bring about movement.

Question 2

How do levers work?

Answer 2

A lever is a structure that has four components:

. Fulcrum= (pivot) the point around which the lever rotates (joints).

. A load= the force that is applied by the lever system. The load is the object you want to move a dumbell with your arm.

. An effort= a force that is applied by the user of the lever system. The effort is supplied by your muscles.

. Lever= a rigid bar such as a bone.