definitions
time
the indefinite continued progress of existence and events in the past, present, and future regarded as a whole
mass
mass = force / acceleration
displacement
the moving of something from its place or position
time
time = distance / speed
velocity
the speed of something in a given direction
normal force
F(n) = mg
acceleration
a vehicle's capacity to gain speed within a short time
weight
force
a push / pull that changes an object's motion
acceleration
a = change in velocity / change in time