Motion and Acceleration

Motion and acceleration

Multiple Choice

An object is _____ if its position changes.

• in motion

• at reset

• a frame of reference

• magical

Multiple Choice

A place or object used for comparison to determine if another object is in motion is called a

• comparison point
• reference point
• point of view
• motion detector

Multiple Choice

What is the total distance of the object represented in this motion graph?

• 0 meters
• 300 meters
• 450 meters
• 600 meters

Multiple Choice

Jerry walked from home to school, then from the school to the park.  What is his total displacement?

• 2 km
• 5 km
• 8 km
• 10 km

Multiple Choice

Jerry walked from home to school, then from the school to the park.  What is his total distance?

• 2 km
• 5 km
• 8 km
• 10 km

Multiple Choice

Which of the following describes distance and displacement correctly?

• The blue arrow shows distance and the orange arrows show displacement
• The blue arrow shows displacement and the orange arrows show distance
• Both arrows show distance only
• Both arrows show distance and displacement

Speed formula:

Distance/Time

Multiple Choice

Which of the following is a unit of speed ?

• sec
• mi
• m/s
• min

Multiple Choice

Dave runs a 400 m race with a speed of 4 m/s. What time will it take him to finish the race?

• 400 minutes
• 100 minutes
• 100 seconds 
• .25 seconds 

Multiple Choice

A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?

• 10 m/s

• 1000 m/s

• 100 seconds

• 10 seconds

Multiple Choice

What is the formula to calculate speed?

• S = t/d
• S = d/t
• S = d x t
• S = t x d

Multiple Choice

What is the speed of a runner who runs 400 meters in 40 seconds?

• 10 meters/second

• 40 meters/second

• 100 meters/second

• 1,600 meters/second

Multiple Choice

The clown walked 27 feet in 9 seconds. what was his velocity?

• 18 feet/sec

• 243 feet/sec

• 36 feet/sec

• 3 feet/sec

Multiple Choice

Velocity is speed with __________________________.

• a unicycle helmet

• direction

• fight

Multiple Choice

If the velocity vector and acceleration vectors are moving in the same direction then

• speed will increase.
• speed will decrease.
• speed will be constant. 

Multiple Choice

What is a measure of the change of velocity of a moving object?

• speed
• acceleration
• motion 
• velocity 

Multiple Choice

A drag racer accelerated from 0 m/s to 200 m/s in 5 s. What was the acceleration?

• 0 m/s

• 40 m/s²

• -40 m/s²

• 30 m/s²

Multiple Choice

A bike accelerated from 0 m/s to 60 m/s in 5 s. What was the acceleration?

• 0 m/s

• 40 m/s²

• 12 m/s²

• 30 m/s²

Multiple Choice

A drag racer accelerated from 20 m/s to 200 m/s in 5 s. What was the acceleration?

• 36 m/s²

• 40 m/s²

• 65 m/s²

• 70 m/s²

Multiple Choice

A roller coasters accelerates from an initial velocity of 6 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration?

• 24 m/s²

• 18 m/s²

• 16 m/s²

• 16 m/s

Multiple Choice

What is this?

"This car is speeding up"

• Speed

• Velocity

• Acceleration

Multiple Choice

A negative acceleration means that your object is _____. 

• not accelerating
• not moving
• speeding up 
• slowing down 

Multiple Choice

Acceleration can be classified as _______________

• Speeding up
• Slowing Down
• Changing directions
• All of the above

Multiple Choice

When a car goes around a corner at 20 mph, why do we say it  accelerates?

• The car is accelerating because of the velocity is constant
• The car accelerates because it's going 20 mph
• Cars always accelerate when they are in motion
• The car is accelerating because it's changing direction

Multiple Choice

Which of the following is a unit for acceleration?

• km/s
• m/s²
• mi/hr
• ft

Multiple Choice

What is the formula to calculate speed?

• Speed = time/distance
• Speed = distance/time
• Speed = distance x time
• Speed = time x distance

Multiple Choice

What is shown by this velocity time graph?

• uniform positive velocity

• uniform acceleration

• no acceleration

Multiple Choice

At what point is the speed the greatest?

• C-D

• B-C

• A-B

• D-E

Multiple Choice

How long did it take this object to travel 10 m?

• 0 s
• 10 s
• 15 s
• 20 s

Multiple Choice

How long did it take this object to travel 40 m?

• 40 s

• 10 s

• 60 s

• 20 s

Multiple Choice

What is this graph showing?

• At rest

• Acceleration

• Constant speed of 1 m/s

• Gradually speeding up

Multiple Choice

Segment A-B: The bus is moving at a _________________ of 10 m/s for 5 seconds.

• accelerating

• decelerating

• constant speed

• at rest

Multiple Choice

Segment O-A: The bus is _________________. It's speed changes from 0m/s to 10 m/s in 5 seconds.

• accelerating

• decelerating

• constant speed

• at rest