Unit 5 Motion and Forces Test

The speed you read on a speedometer is ____. (CFA1)

• instantaneous speed
• constant speed
• average speed
• velocity

Tags

CFA 1

A car travels north going 45 mi/hr for 5 hours with no change. The car has a constant _____. (CFA1)

• speed
• velocity
• direction
• acceleration

Tags

CFA 1

The graph shows the relationship between distance and time for a moving object. According to the graph, the object is (CFA1)

• speeding up
• slowing down
• motionless
• moving at a constant speed

Tags

CFA 1

A man walks north 5 mi to find his missing dog and then gives up turns around goes back home. He stops 3 miles before gets home at a store and finds his dog. What is the man's displacement? (CFA1)

• 2 mi south
• 2 mi north
• 3 mi north
• 3 mi south

Tags

CFA 1

What is the speed of the object represented in this graph? (CFA1)

• 1 m/s
• 2 m/s
• 3 m/s
• 4 m/s

Tags

CFA 1

This graph represents the change in velocity of four cars over a period of 10 hours. Which line represents the car with the greatest acceleration? (CFA2)

• Car A
• Car B
• Car C
• Car D

Tags

CFA 2

The horse on a carousel or merry-go-round are accelerating because __________. (CFA2)

• the speed of the horses is constantly increasing
• the speed of the horses is constantly decreasing
• the direction of the horses' motion is constantly changing
• the travel time is different for every ride

Tags

CFA 2

Find the acceleration of the bicyclist in this graph. [Use the calculator app on the Chromebook, if you don't have a calculator. No cell phones.] (CFA2)

• 2.3 m/s^2
• 2 m/s^2
• 6.8 m/s^2
• 15 m/s^2

Tags

CFA 2

Which statement about the movement of an object with zero acceleration could be true? (CFA2)

• the object is speeding up
• the object is slowing down
• the object is moving at a constant speed
• the object is changing direction

Tags

CFA 2

When a car traveling 30 m/s hits the gas pedal, it speeds up to 65 m/s in 3.5 seconds. What is the car's acceleration during that time? (CFA2)

• 5 m/s^2
• 15 m/s^2
• 10 m/s^2
• 20 m/s^2

Tags

CFA 2