"Every object persists in its state of rest or uniform motion in a straight line unless it is compelled to change that state by forces impressed on it."
"Force is equal to the change in momentum (mV) per change in time. For a constant mass, force equals mass times acceleration."
Newtons Laws
"For every action there is an equal and opposite reaction."
Applied Force
The Law of Inertia
F = ma
The Law of Equal and Opposite Reactions
FBD
"The motion of material objects in relation to the physical factors that affect them"