FCTC Written Study Guide 2024

FCTC Written Study Guide 2024 Classes of Levers - answerClass 1, Class 2, Class 3 Class 1 Levers - answerFulcrum 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 - answerResistance 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 - answerEffort 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 - answerLever 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? - answerFulcrum is in the middle for Class 1 Levers Resistance (output) in middle for Class 2 Effort (input) in the middle for Class 3 Formula for Determining the head pressure difference between an intake and output - answer1 vertical foot = 0.433 psi 1 psi = 2.31 vertical feet Overall Test Overview: - answer1) 30 minute period to read 2 essays