ASVAB Mechanical Comprehension
ASVAB Mechanical Comprehension Force ️Ans - Any influence that causes an object to undergo a change in speed, a change in direction, or a change in shape. (a push or pull) Velocity ️Ans - Speed in a given direction Acceleration ️Ans - A change in velocity; the rate of change of velocity with time. Force = Mass x Acceleration ️Ans - Mathematical formula to determine Force For every action (force) in nature, there is an equal (in size) and opposite (in direction) reaction. (i.e. if object A exerts a force on object B, then object B also exerts an equal and opposite force on object A) ️Ans - Isaac Newton's 3rd Law of Motion Action & Reaction forces ️Ans - Forces always come in pairs, known as ___ & ___ forces. As the propellers turn, they push the water behind the boat (action). The water reacts by pushing the boat forward (reaction). ️Ans - Motorboat Action & Reaction force example Vector Scalar ️Ans - Mathematical quantities that are used to describe the motion of objects can be divided into two categories. The quantity is either a ___ or a ___. Vector ️Ans - Forces are ___ quantities. Increase
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