Soc -20 Levers

Question 1

What is a lever

Answer 1

In your body, the term ‘lever’ refers to a system of muscles and bones working together to bring about movement

Question 2

HOW A LEVER WORKS

Answer 2

A lever is a structure that has three components
Fulcrum
Load
Effort

Question 3

Diffrent class of levers

Answer 3

First class
Second class
Third class

Question 4

Fulcrum

Answer 4

Joint

Question 5

Load

Answer 5

Weight

Question 6

Effort

Answer 6

Muscle

Question 7

First class lever

Answer 7

Nodding your head

Question 8

Second class lever

Answer 8

Calf raise

Question 9

Third calss lever

Answer 9

Bicep curls

Question 10

MECHANICAL ADVANTAGE

Answer 10

This happens when the output of the lever is greater than the input - that is, when the load is greater than the effort, so you are getting more out than you are putting in.

Question 11

MECHANICAL DISADVANTAGE

Answer 11

This is the opposite of mechanical advantage of mechanical advantage. This happens when the effort and the load are both the same side of the fulcrum but the effort sits closer to the fulcrum than the load does.