Free ASVAB Section 3: Mechanical Comprehension Exam Braindumps
ASVAB Section Three : Mechanical Comprehension Questions 56–60 (page: 13)

Updated On: 9-Feb-2026

If a ramp is 8-feet long and 4-feet high, how much effort is required to move a 400-pound object up the ramp?

  1. 35 pounds
  2. 150 pounds
  3. 800 pounds
  4. 200 pounds

Answer(s): D

Explanation:

The formula to determine the mechanical advantage of an incline plane is Length of Ramp ÷ Height of Ramp = Weight of Object ÷ Effort. 8 ÷ 4 = 400 ÷ E
8⁄4 = 400⁄E
8E = 1,600
8E⁄8 = 1,600⁄8
E = 200



33,000 foot-pounds of work done in one minute is called ____________ .

  1. a job for an enlisted soldier
  2. one horsepower
  3. 330 psi
  4. meaningful force

Answer(s): B

Explanation:

Scientists agree that 33,000 foot-pounds per minute is one horsepower.



A 130-pound woman is wearing shoes with high heels that measure 1-inch square.
If the woman is standing on one heel, what psi does the heel exert as it rests on the ground? (Disregard atmospheric pressure from your calculations.)

  1. 130
  2. 65
  3. 260
  4. 11

Answer(s): A

Explanation:

Power = Force/Area. P = 130/1 = 130.



The force that causes clothes from the dryer to stick together is called _____________.

  1. gravity
  2. magnetism
  3. friction
  4. static electricity

Answer(s): D

Explanation:

Static electricity causes materials to “stick” together this way.



An aneroid barometer measures ___________.

  1. atmospheric pressure
  2. water pressure
  3. hydraulic-fluid pressure
  4. the ambient temperature

Answer(s): A

Explanation:

An aneroid barometer measures atmospheric pressure.



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