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Yr 10 Motion - Acceleration

Total questions: 35

Worksheet time: 2hrs 45mins

Name

Class

Date

Which of the following is a unit for acceleration?

km/s

m/s²

mi/hr

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

Acceleration only takes place when things speed up.

True

False

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

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

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

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

Acceleration can be classified as _______________

Speeding up

Slowing Down

Changing directions

All of the above

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

10.

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

11.

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

12.

A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest. Find the acceleration.

30 m/s

24 m/s²

9 m/s²

81 km/hr

13.

The picture of the position vs. time graph shows an object that is...

accelerating/speeding up

moving at a constant speed

not moving

accelerating/slowing down.

14.

A car starts from rest at a stop light and reaches 20 m/s in 3.5 s. Determine the acceleration of the car.

2.2m/s²

7.0m/s²

5.7m/s²

70m/s²

15.

Which graph represents zero acceleration (constant velocity)?

16.

Which graph represents the greatest acceleration?

17.

Which section of the graph shows acceleration?

18.

What happened during C to D point?

not moving

increasing speed at a constant rate

moving at a constant speed

moving at 0 m/s²acceleration

19.

How can acceleration be zero?

a car runs out of gas and slowly rolls to a stop

a car decreases speed at a constant rate until it comes to rest

car has constant speed and is traveling on a straight path

the car travels round trip and is back at the starting point

20.

The equation for acceleration is...

21.

A ball of clay is thrown at a wall at a velocity of 28.0 m/s. After it hits the wall, it takes 0.020 s to stop. What is the acceleration of the clay when it hits the wall?

1400 m/s²

-1400 m/s₂

0.56 m/s²

-0.56 m/s²

22.

What is happening at segment D?

acceleration

deceleration

constant speed

no motion/object at rest

23.

What is happening at segment B?

no motion/object at rest

constant speed

acceleration

24.

What is happening at segment A?

no motion/object at rest

constant speed

deceleration

25.

Mark slams on the brakes after traveling 25 m/s. It takes him 3 seconds to come to a complete stop. What is his acceleration?

8.33 m/s²

-8.33 m/s²

75 m/s²

-75 m/s²

26.

Mars’ gravitational force is less than that of Earth’s . If an astronaut drops a hammer and its speed increases from 0 to 15 m/s in 4.04 s, what is the acceleration due to gravity on Mars?

9.8 m/s²

0.269 m/s²

60.6 m/s²

3.71 m/s²

27.

The elevators in the Landmark Tower, in Yokohama, Japan are among the fastest in the world. They accelerate upward at 3.125 m/s2 for 4.0 s to reach their final speed. If these elevators start from rest, what is their final speed?

0.781 m/s

7.125 m/s

1.28 m/s

12.5 m/s

28.

Kaya is riding her dirt bike eastward on a dirt road. She spots a pothole ahead. Kaya slows her car from 14.0 m/s to 5.5 m/s in 6.0 s. What is her acceleration?

-1.4 m/s²

+ 1.4 m/s²

0.7 m/s²

14.5 m/s²

29.

Billy was driving his car and when he reached the tollbooth he slowed from 190m/s to 12m/s in 20 second.

-8.9m/s²

8.9m/s²

9.8m/s²

-9.8m/s²

30.

The speed boats speed increased from 0m/s to 24m/s in a time span of 12 seconds.

4 m/s²

2 m/s²

8 m/s²

6 m/s²

31.

A boat increases its speed from 16 m/s to 96 m/s in 5 seconds.

10 m/s²

16 m/s²

14 m/s²

12 m/s²

32.

A wagon goes 35 meters and accelerates to 60 meters in 5 seconds. What was the wagon’s acceleration?

25 m/s²

30 m/s²

6 m/s²

5 m/s²

33.

The car was going 80mph on the highway, and lowered to 50 mph in 3 seconds because of an accident.

-10mph/s

30 mph/s

10mph/s

-30mph/s

34.

A running horse increases his speed from 15 m/s to 42 m/s in 3 seconds.

27 m/s²

5 m/s²

9m/s²

11 m/s²

35.

A car is moving at a velocity that is decreasing from 83m/s to 33m/s at 4 seconds.

12.5 m/s²

50 m/s²

-12.5 m/s²

10 m/s²

Reset

Yr 10 Motion - Acceleration

Total questions: 35

Worksheet time: 2hrs 45mins

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