Force and Motion

True or false - an object is in motion if its distance from another object is changing.

• True

• False

An object is in motion if it changes its position relative to a __________.

• another moving object

• reference point

• time clock

What is speed measured in?

• meters per second

• kilometers per minute

• miles per minute

• centimeters per second

Find the speed of a car traveling 500m in 4 seconds.

• 125 m/s

• 2,000 m/s

• 496 m/s

• 504 m/s

What is the speed of the object shown at line B?

• 0.5 m/s

• 2 m/s

• 1.3 m/s

• 0.3 m/s

Velocity is speed with ___________.

• acceleration

• direction

• changes in motion

• deceleration

What two components are part of the acceleration formula?

• velocity and time

• speed and time

• speed and distance

• velocity and speed

Calculate the acceleration of a bus going from 8m/s to 12 m/s in 1 second.

• 4 m/s2

• 2 m/s2

• 1 m/s2

• -4 m/s2

When will you have negative acceleration?

• When an object speeds up

• When an object slows down

• When an object moves at a constant speed