Topic 2.1 Movement analysis: lever systems & mechanical advantage

Question 1

Define a lever

Answer 1

A lever is something that aids movement . A system that includes a pivot point

Question 2

What is in a lever system

Answer 2

Pivot/Fulcrum
effort
load

Question 3

In your body what is the fulcrum, load and effort

Answer 3

joint
thing you want to lift up
muscles

Question 4

Order of levers for 1st class

Answer 4

EFFORT
FULCRUM
LOAD

Question 5

Order of levers for 2nd class

Answer 5

EFFORT
LOAD
FULCRUM

Question 6

Order of levers for 3rd class

Answer 6

FULCRUM
EFFORT
LOAD

Question 7

Example of 1st class lever

Answer 7

tumble turn (neck joint)

Question 8

Example of 2nd class lever

Answer 8

taking off in long jump

Question 9

Example of 3rd class lever

Answer 9

bicep curl

Question 10

Mechanical advantage

Answer 10

if the effort arm is longer than the resistance arm; less force is required to move the resistance than the actual inertia of the resistance.

Question 11

Mechanical disadvantage

Answer 11

if the effort arm is shorter than the resistance arm; more force is required to overcome the inertia of the resistance.