levers a level pe

Question 1

does a 1st class lever system provide a mechanical disadvantage or advantage or both

Answer 1

both

Question 2

Does a 2nd class lever system provide a mechanical disadvantage or advantage or both

Answer 2

advantage

Question 3

Does a third class lever system provide a mechanical advantage or disadvantage or both

Answer 3

disadvantage

Question 4

Does a 1st class lever amplify movement or force

Answer 4

it amplifies force

Question 5

Does a 2nd class lever amplify movement or force

Answer 5

it amplifies force

Question 6

Does a 3rd class lever system amplify movement or force

Answer 6

it amplifies movement, it can never amplify force

Question 7

what happens when the effort arm is longer than the load arm

Answer 7

EA>LA= amplify force

Question 8

what happens when the load arm is longer than the effort arm

Answer 8

LA>EA= amplify movement