FCTC WRITTEN EXAM 2025 ACTUAL EXAM 100 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED ANSWERS) |ALREADY GRADED A+

FCTC WRITTEN EXAM 2025 ACTUAL EXAM 100 QUESTIONS AND

CORRECT DETAILED ANSWERS WITH RATIONALES (VERIFIED

ANSWERS) |ALREADY GRADED A+



Classes of Levers - (answers)Class 1, Class 2, Class 3



Class 1 Levers - (answers)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 - (answers)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 - (answers)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 - (answers)Lever machine consisting of a beam or rigid rod pivoted at a fixed hinged, or
fulcrum.

Input Force = Effort

Output Force = Load or Resistance



What does "fre, 123" mean? - (answers)Fulcrum is in the middle for Class 1 Levers

Resistance (output) in middle for Class 2

Effort (input) in the middle for Class 3