Motion Definitions

Kinematics

Kinematics
studying the motion of objects.
Scalar
a quantity that described by magnitude alone.
Vector
a quantity that is described by magnitude and direction.
Distance
a scalar describing the travel of an object. SI units = m. Variable = d
Displacement
a vector describing an object's change in position.
SI units = m. Variable = d
Speed
distance per unit time. SI units = m/s.
A scalar quantity.
Velocity
displacement per unit time. SI units = m/s. Variable = v

a vector quantity.
Acceleration
change in velocity per unit time. SI units = m/s2. Variable = a
a vector quantity.


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