FCTC Written Exam Questions and Answers Verified Solutions Latest Update 2

FCTC Written Exam Questions and
Answers Verified Solutions Latest
Update


Question:

Class 1 Levers

Answer:
Fulcrum is in the middle, with the effort (input) force on one side of the fulcrum and
resistance (output) on the other side. Mechanical Advantage greater or less than 1 Ex:
Seesaw, Crowbar, Pair of Scissors.


Question:

Class 2 Levers

Answer:
Resistance is in the middle, the effort is applied on one side of the resistance and the
fulcrum on the other side. Mechanical Advantage always greater than 1 Ex:
Wheelbarrow, nutcracker, bottle opener, or the brake pedal of a car.


Question:

Class 3 Levers

Answer:
Effort in the middle, the resistance is on one side of the effort and the fulcrum is
located on the other side. Mechanical Advantage always less than 1 Ex: Pair of
tweezers, human mandible


Question:

Lever Definitions

Answer:
Lever machine consisting of a beam or rigid rod pivoted at a fixed hinged, or fulcrum.
Input Force = Effort Output Force = Load or Resistance