ASVAB Mechanical Comprehension -Terms & Definitions

ASVAB Mechanical Comprehension -Terms & Definitions 1st Law of Motion - ️ an object at rest tends to remain at rest unless acted upon by an outside force 2nd Law of Motion - ️ pushing/pulling an object produces acceleration 3rd Law of Motion - ️ for every action there is an equal and opposite reaction Force (F) - ️ any effort that can push, pull, or rotate an object to cause movement Vector - ️ a quantity having direction as well as magnitude Scalar - ️ a quantity having magnitude but no direction Speed - ️ rate of motion Velocity - ️ speed in a particular direction Acceleration - ️ change in velocity per unit of time Momentum - ️ product of an object's mass and velocity and can be either linear or angular Equilibrium - ️ occurs when the forces acting upon an object are balanced Power - ️ rate of doing work over time Instantaneous Speed - ️ speed of a moving object at a particular instant along its motion