Soc 20- Lever Systems

Question 1

What is a lever and applly it to a sport?

Answer 1

In your body the term ‘lever’ refers to a system of muscles and bones working together to bring about movement.
When you exercise, your muscles pull on your bones, and tyour nones create movement, acting as levers.

Question 2

What are the three types of levers?

Answer 2

First class 
Second class 
Third class

Question 3

How does a lever work?

Answer 3

A lever is a structure that has four components:

A fulcrum-(or piviot) the point around which the lever rotated

Question 4

How do you remember the order of the levers?

Answer 4

By a term 'FLE'
First class lever- Fulcrum is in the middle.
Second class lever-Load is in the middle
Third class lever- Effort is in the middle

Question 5

What is an example of first class lever in exercise?

Answer 5

A tricep dip would be an example of a first class lever. The elbow fulcrum, effort applied by tricep, load weight in the hand.

Question 6

What is an example of Second Class Leaver?

Answer 6

Second class leaver sits between the fulcrum and effort an example of this is a wheelbarrow. The wheel is the fulcrum, the handles take the effort the load is placed between the two.

Question 7

What is a second class lever?

Answer 7

In a second class levers the load sits between fulcrum and effort