Kinematics in One Dimension
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10 Terms
Kinematics
deals with the concepts that are needed to describe motion.
Dynamics
deals with the effect that forces have on motion.
Mechanics
branch of physics formed by kinematics and dynamics.
Displacement (x)
vector quantity
object’s initial position to its final position
magnitude that equals the shortest distance between the two positions.
SI Unit - meter (m)
Average Speed
distance traveled divided by the time required to cover the distance.
SI Unit: meters per second
Vector Quantity
quantity that has magnitude and direction
Average Velocity
displacement divided by the elapsed time.
Acceleration (a)
emerges when a change in velocity is combined with the time during which the change occurs.
Free-fall
absence of air resistance