levers

Question 1

what are the classes of a lever

Answer 1

first - class lever
second- class lever
third - class lever

Question 2

what are the positions of the effort load and fulcrum in a first class lever

Answer 2

fulcrum is between the effort and the load

Question 3

what are the positions of the effort load and fulcrum in a second class lever

Answer 3

load is between the effort and load

Question 4

what t are the positions of the effort load and fulcrum in a third class lever

Answer 4

effort is between the load and fulcrum

Question 5

give an example of a first class lever

Answer 5

a see - saw