Soc-20 Levers

Question 1

Fulcrum

Answer 1

Joint

Question 2

Load

Answer 2

Weight

Question 3

Effort

Answer 3

Muscle

Question 4

First class mechanical advantage

Answer 4

Relatively small effort = Large load lifted

Question 5

Second class mechanical advantage

Answer 5

Relatively small effort = Large load lifted

Question 6

Third class mechanical advantage

Answer 6

Relatively large effort = Small load lifted

Question 7

First class example

Answer 7

Nodding your head,
Tricep dip,
Oar on a boat

Question 8

Second class lever

Answer 8

Calf raise,
Wheelbarrow,
Stapler

Question 9

Thrid class example

Answer 9

Bicep curl,
Spade,
Kicking a football