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Flashcards in Levers Deck (11):
1

What class lever is this ?

L. F. E.

First Class

2

What lever class is this ?

F. E. L

Third class

3

What lever class is this ?

F. L. E.

Second class

4

What is a lever in the body ?

A bone

5

What is a fulcrum in the body ?

A joint

6

What is the effort in the body ?

The force provided by the muscles

7

What is the load in the body ?

The weight of the body part or object being moved

8

What is the mechanical advantage of a second class lever ?

It provides force to lift heavy loads

9

What is the mechanical disadvantage of a second class lever system ?

It has a small range of movement and cant move a load quickly

10

What is mechanical advantage of a third class lever system ?

It provides speed and a wide range of movement

11

What is the mechanical disadvantage of a third class lever system ?

A greater force than the load is required for it to be moved