Understanding and 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...

• reference point

• dimension

• position point

• first position

Total distance traveled divided by total time traveled equals...

• acceleration

• deceleration

• friction

• average speed

A soccer ball takes 20 s to roll 10 m. What is the average speed of the ball?

• 10m/s

• 5.0m/s

• 0.5m/s

• 2m/s

Tags

NGSS.MS-PS3-1

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

Acceleration involves change in _________.

• time

• speed

• direction

• both direction and speed