FCTC WRITTEN EXAM STUDY
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Terms in this set (17)
Classes of Class 1, Class 2, Class 3
Levers
, Fulcrum is in the middle, with the
effort (input) force on one side of
the fulcrum and resistance (output)
on the other side.
Class 1 Levers
Mechanical Advantage greater or
less than 1
Ex: Seesaw, Crowbar, Pair of
Scissors.
Resistance is in the middle, the
effort is applied on one side of the
resistance and the fulcrum on the
other side.
Class 2 Levers
Mechanical Advantage always
greater than 1
Ex: Wheelbarrow, nutcracker, bottle
opener, or the brake pedal of a car.
Effort in the middle, the resistance is
on one side of the effort and the
fulcrum is located on the other side.
Class 3 Levers Mechanical Advantage always less
than 1
Ex: Pair of tweezers, human
mandible
GUIDE/COMPREHENSIVE GUIDE |
ALL QUESTIONS AND CORRECT
ANSWERS | LATEST EXAM |
VERIFIED ANSWERS | ALREADY
GRADED A+
Save
Terms in this set (17)
Classes of Class 1, Class 2, Class 3
Levers
, Fulcrum is in the middle, with the
effort (input) force on one side of
the fulcrum and resistance (output)
on the other side.
Class 1 Levers
Mechanical Advantage greater or
less than 1
Ex: Seesaw, Crowbar, Pair of
Scissors.
Resistance is in the middle, the
effort is applied on one side of the
resistance and the fulcrum on the
other side.
Class 2 Levers
Mechanical Advantage always
greater than 1
Ex: Wheelbarrow, nutcracker, bottle
opener, or the brake pedal of a car.
Effort in the middle, the resistance is
on one side of the effort and the
fulcrum is located on the other side.
Class 3 Levers Mechanical Advantage always less
than 1
Ex: Pair of tweezers, human
mandible
