FCTC WRITTEN EXAM STUDY
GUIDE/COMPREHENSIVE GUIDE | ALL QUESTIONS
AND CORRECT ANSWERS | LATEST EXAM | VERIFIED
ANSWERS | ALREADY GRADED A+
Classes of Levers - (ANSWER)Class 1, Class 2, Class 3
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.
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.
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
Lever Definitions - (ANSWER)Lever machine consisting of a beam or rigid rod
pivoted at a fixed hinged, or fulcrum.
Input Force = Effort
GUIDE/COMPREHENSIVE GUIDE | ALL QUESTIONS
AND CORRECT ANSWERS | LATEST EXAM | VERIFIED
ANSWERS | ALREADY GRADED A+
Classes of Levers - (ANSWER)Class 1, Class 2, Class 3
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.
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.
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
Lever Definitions - (ANSWER)Lever machine consisting of a beam or rigid rod
pivoted at a fixed hinged, or fulcrum.
Input Force = Effort
