Speed, Velocity, Acceleration, Free Fall

The time rate of change of an object's velocity is (a)  

(a)   is the motion of an object when it is falling solely under the influence of gravity.

A (a)   is a physical measurement that does not contain directional information.

A (a)   is a physical measurement that contains directional information.

Tags

NGSS.MS-PS2-5

A point against which position is measured is known as the (a)   .

A (a)   is a push or a pull that acts on an object.

Tags

NGSS.3-PS2-1

The friction that opposes motion once the motion has already started is known as (a)  

The ratio of the total distance traveled to the total time of the trip is known as (a)   .

Friction that opposes the initiation (starting) of motion.

(a)  

A force that opposes motion, resulting from the contact of two surfaces.

(a)