Describing Motion

Displacement is the difference between the initial position of an object and its ________ position.

• resting

• motion

• final

• upright

Motion is the process of changing ___________.

• displacement

• dimension

• acceleration

• position

A starting point that can be used to locate a place or thing is called a _____________________.

• reference point

• dimension

• position point

• first position

Total distance traveled divided by total time traveled is the formula for calculating _________________.

• acceleration

• deceleration

• friction

• average speed

A soccer ball takes 20 seconds to roll 10 meters. 10 meters is the balls ________________.

• speed

• time

• distance

• acceleration

Which describes how velocity changes with time?

• acceleration

• average speed

• inertia

• displacement

What is the term for speed at any instant in time?

• constant speed

• average speed

• instantaneous speed

• initial speed

To describe velocity, you need to know _________.

• speed and acceleration

• direction and acceleration

• average acceleration

• speed and direction

When graphing motion on a distance-time graph, _____ is on the horizontal axis and ______ is on the vertical axis.

• time, speed

• time, distance

• distance, speed

• speed, time

Speed is a scalar quantity and velocity is a vector quantity because velocity included the component of _______________.

• units

• distance

• time

• direction