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Military Flight Aptitude Test: Newton’s Laws of Motion

For the MFAT, you should be familiar with Newton's Laws of Motion. Sir Isaac Newton’s laws of motion are basic scientific principles that explain how flight is possible. Without them, no flight.

  • Newton’s First Law of Motion: Unless acted upon by an outside force, a body at rest tends to remain at rest, and a body in motion tends to remain in motion.

  • Newton’s Second Law of Motion: An object changes velocity if it’s pushed or pulled on. When an outside force acts on an object, the object’s acceleration is directly proportional to the applied force and inversely proportional to the mass of the object. This law derives the formula of F = ma, where F is the force acting on an object, m is the object’s mass, and a is the object’s acceleration.

  • Newton’s Third Law of Motion: For every action, there is an equal and opposite reaction.

The flight aptitude test will test your ability to apply Newton’s laws. An example of a type of question on this topic includes the following:

A body at rest tends to
  • (A) Accelerate at a constant velocity

  • (B) Remain in motion

  • (C) Fall to the ground

  • (D) Remain at rest

  • (E) Reach escape velocity

The correct answer is Choice (D).

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