Acceleration - Assessment

1.

Multiple Choice

2 mins

1 pt

What is the formula to calculate speed?

Speed = time/distance

Speed = distance/time

Speed = distance x time

Speed = time x distance

2.

Multiple Choice

1 min

1 pt

Which of the following is a unit for acceleration?

km/s

m/s²

mi/hr

ft

3.

Multiple Choice

2 mins

1 pt

Can be measured in meters per second (m/s)

Distance

Time

Speed

Acceleration

4.

Multiple Choice

2 mins

1 pt

What is velocity?

the quickness of an object

the location of an object

acceleration

speed in a specific direction

5.

Multiple Choice

45 sec

1 pt

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

6.

Multiple Choice

2 mins

1 pt

Calculate the average speed (in meter/sec) if a cheetah runs 180 meters in 10 seconds.

198 m/sec

170 m/sec

12 m/sec

18 m/sec

7.

Multiple Choice

1 min

1 pt

A value that only has magnitude (a number)

Scalar

Vector

Speed

Velocity

8.

Multiple Choice

1 min

1 pt

Of the following, which is a vector?

Mass

Time

Speed

Velocity

9.

Multiple Choice

1 min

1 pt

Acceleration is defined as the CHANGE in

time it takes for one place to move to another place.

velocity of an object.

distance divided by the time interval

velocity divided by the time interval

10.

Multiple Choice

1 min

1 pt

Acceleration only takes place when things speed up.

True

False

11.

Multiple Choice

45 sec

1 pt

In each of the following cases, determine where the car has no acceleration ?

A car shortly after a stoplight turns green.

A car approaching a red light

A car with the cruise control set at 80 km/h

A car turning a curve at a constant speed

12.

Multiple Choice

45 sec

1 pt

A roller coasters accelerates from an initial velocity of 6.0 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

13.

Multiple Choice

45 sec

1 pt

A dog runs with an initial speed of 7.5 m/s on a waxed floor. It slides to a stop in 15 seconds. What is the acceleration?

-7.5 m/s

-7.5 m/s²

-0.5 m/s²

7.5 mi//hr

14.

Multiple Choice

1 min

1 pt

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

40 m/s

15.

Multiple Choice

45 sec

1 pt

Acceleration can be classified as _______________

Speeding up

Slowing Down

Changing directions

All of the above

16.

Multiple Choice

5 mins

1 pt

A golf ball accelerates off a tee at 15m/s², changing its velocity from 0m/s to 50 m/s down the fairway. How long did it take the golf ball to accelerate?

750 seconds

35 seconds

0.3 seconds

3.3 seconds

17.

Multiple Choice

1 min

1 pt

In which of the following situations would a car be speeding up while traveling forward?

positive velocity and positive acceleration

positive velocity and negative acceleration

negative velocity and positive acceleration

negative velocity and negative acceleration

18.

Multiple Choice

2 mins

1 pt

In which of the following situations would a car be slowing down while traveling backwards?

positive velocity and positive acceleration

positive velocity and negative acceleration

negative velocity and positive acceleration

negative velocity and negative acceleration

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