Firefighter Entrance Exam Math
Equations Questions And Answers
Formula for Circumference -
correct answer ✅Pie x DIAMETER or Pie x RADIUS x 2
Formula for Levers, Incline Planes and Wedges -
correct answer ✅Effort x Effort Distance = Resistance x Resistance
Distance
Where is the Resistance Distance for LEVERS? -
correct answer ✅Between the weight and fulcrum
Where is the Resistance Distance for wedges/incline planes? -
correct answer ✅The height of the wedge/plane
How to find how much weight a jack (screws) can lift? -
correct answer ✅1. Length of handle x 2 x PIE
2. Find the screw pitch
3. Invert the fraction (screw pitch) and multiply the screw pitch and
circumference by the inverted fraction (numerator)
4. Multiply you mechanical advantage (answer from 3) by your
exerted force
Equations Questions And Answers
Formula for Circumference -
correct answer ✅Pie x DIAMETER or Pie x RADIUS x 2
Formula for Levers, Incline Planes and Wedges -
correct answer ✅Effort x Effort Distance = Resistance x Resistance
Distance
Where is the Resistance Distance for LEVERS? -
correct answer ✅Between the weight and fulcrum
Where is the Resistance Distance for wedges/incline planes? -
correct answer ✅The height of the wedge/plane
How to find how much weight a jack (screws) can lift? -
correct answer ✅1. Length of handle x 2 x PIE
2. Find the screw pitch
3. Invert the fraction (screw pitch) and multiply the screw pitch and
circumference by the inverted fraction (numerator)
4. Multiply you mechanical advantage (answer from 3) by your
exerted force