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Unit 2: 1-Dimensional Motion TEST

Total questions: 85

Worksheet time: 1hrs 20mins

Name
Class
Date
1.
What is the displacement of an object at rest?
a)
0 m
b)
1 m
c)
9.8 m
d)
9.81 m
2.
What is velocity?
a)
The total distance traveled by an object
b)
The distance from start to end, including the direction
c)
How fast an object travels
d)
The speed at which an object travels plus its direction
3.
If you drop a banana, how fast is it going after 2 seconds?
a)
4.9m/s
b)
9.8m/s
c)
19.6m/s
d)
29.4m/s
4.

An object starts from rest and accelerates at 2 m/s² for 5 seconds. What is its final velocity?

a)

5 m/s

b)

10 m/s

c)

15 m/s

d)

20 m/s

5.

A car decelerates uniformly from 30 m/s to rest in 10 seconds. What is its deceleration?

a)

-1 m/s²

b)

-2 m/s²

c)

-3 m/s²

d)

-4 m/s²

6.

Which of the following statements is true about free fall?

a)

The object moves with constant velocity.

b)

The object accelerates at 9.8 m/s² downward.

c)

Air resistance increases the object's acceleration.

d)

The acceleration depends on the mass of the object.

7.

A physical quantity defined by its magnitude AND direction is called a...

a)

Vector

b)

Scalar

8.

Which one of the following formulas would you need to use to calculate acceleration, if you are given the change in velocity and a time interval?

a)

v = Δx / Δt

b)

Δx = x f - x i

c)

a = Δv / Δt

d)

Δt = t f - t i

9.
What is acceleration?
a)
It is the displacement.
b)
It is the velocity.
c)
It is the rate of change of the displacement.
d)
It is the rate of change of the velocity.
10.
What happens to an object's motion when the velocity is positive and the acceleration is negative?
a)
The object slows down.
b)
The object speeds up.
c)
The object remains at a constant velocity.
d)
The object remains at rest.
11.
Bill runs 400 meters to Andy's house, turns around, and runs 400 meters back home.  What is Bill's displacement?
a)
0 meters
b)
400 meters
c)
800 meters
d)
1600 meters
12.
A car travels 30 miles/hr for 3 hours, calculate the distance it will travel
a)
90 miles
b)
10 miles
c)
600 miles
d)
90 km
13.
Which of the following represents a velocity?
a)
40 m
b)
40 m north
c)
40 m/s
d)
40 m/s north
14.
Acceleration can be classified as _______________
a)
Speeding up
b)
Slowing Down
c)
Changing directions
d)
All of the above
15.
Which would fall with greater acceleration in a vacuum, a leaf or a stone?
a)
Leaf
b)
Stone
c)
The would accelerate at the same rate.
d)
It is difficult to determine without more information.
16.
A curious kitten taps a ball of yarn at rest with its paw, displacing the ball of yarn 1.75 cm in 2 seconds. What is the acceleration of the ball of yarn?
a)
11 cm/s2
b)
8.75 cm/s2
c)
14.4 cm/s2
d)
18.8 cm/s2
17.

The slope on a velocity vs time graph represents

a)

displacement

b)

velocity

c)

acceleration

d)

cannot be determined

18.

The area "under" the curve on a velocity vs time graph represents

a)

displacement

b)

velocity

c)

acceleration

d)

cannot be determined

19.

A trucker drives with an average velocity of 27 m/s towards the east on a perfectly straight highway. What will the trucker's displacement be after 2 minutes?

a)

97 m; east

b)

190 m; east

c)

1600 m; east

d)

3200 m; east

20.
A race car accelerates from 0 m/s to 30 m/s with a 45 m displacement. What is the vehicle's acceleration?
a)
2 m/s2
b)
5 m/s2
c)
10 m/s2
d)
15 m/s2
21.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
22.

Which runner won this 10 m race?

a)
A
b)
B
c)
C
d)
It was a tie
23.
According to the graph how far does the person travel in the first 5 seconds?
a)
2 m
b)
10 m
c)
0 m
d)
5 m
24.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking 
b)
Running
c)
Standing Still 
d)
Walking Fast
25.
A person walks 50 meters directly north, stops, and then travels 32 meters directly south.  What is their displacement?
a)
82 meters
b)
18 meters
c)
28 meters
d)
1.6 meters
26.

Can you accelerate while traveling at a constant speed?

a)

Yes, by changing the direction in which you travel

b)

No, as long as speed is the same, the acceleration is always zero.

27.

A car traveling at 15 m/s slows down to a stop in a time of 3 seconds. What is its acceleration?

a)

5 m/s2

b)

-5 m/s2

c)

15 m/s2

d)

-10 m/s2

28.

A driver in a car traveling at a speed of 5.8 m/s sees a stop sign 50 m away on the road. How long will it take for the car to accelerate uniformly to come to a complete stop at the stop sign?

a)

55.8 s

b)

8.6 s

c)

17.2 s

d)

290 s

29.

What is the line on this graph showing?

a)

moving away from starting point at a constant speed

b)

moving back towards the starting point at a constant speed

c)

acceleration (getting faster)

d)

deceleration (getting slower)

30.

What is this line of this graph showing?

a)

moving away from starting point at a constant speed

b)

moving back towards the starting point at a constant speed

c)

acceleration (getting faster)

d)

deceleration (getting slower)

31.

Part A of the graph is from 0s to 25s. Which of these statements is true about Part A?

a)

The object is at rest.

b)

The object is accelerating (its velocity is increasing)

c)

The object is decelerating (its velocity is decreasing)

d)

The object is moving at a constant velocity.

32.

On this velocity vs time graph, describe the motion of C.

a)

constant positive velocity

b)

constant negative velocity

c)

positive acceleration

d)

negative acceleration

33.

What two factors can create a change in velocity?

a)

Change in speed and a change in time.

b)

Change in direction and a change in time.

c)

Change in speed and a change in direction.

d)

Change in time and a change in direction.

34.

What does the triangle, delta, Δ\Delta  mean?

a)

change in speed

b)

change in velocity

c)

change in acceleration

d)

change in

35.
What is the unit for acceleration? 
a)
m/s
b)
ms
c)
m/s/s
d)
mss
36.
How could a jogger accelerate?
a)
run uphill then downhill
b)
run 10 miles N then run 10 miles back
c)
jog, stop, rest, start again
d)
speed up, slow down, turn corners
37.

Is this a scalar quantity or a vector quantity?

Wind blowing at 20 mph

a)

Scalar

b)

Vector

38.
The SI unit for acceleration is
a)
mph
b)
ft/sec2
c)
m/s2
39.
Does the speedometer in a car measure velocity or speed?
a)
velocity
b)
speed
c)
both
d)
neither
40.
Displacement must always be measured from
a)
the y-axis.
b)
a reference point.
c)
infinity
d)
the current position of an object.
41.
Find the velocity of a truck that travels 75 miles north in 2.5 hours.
a)
187.5 mph north
b)
30 mph north
c)
300 mph north
d)
200 mph north
42.

A trucker drives with an average velocity of 27 m/s towards the east on a perfectly straight highway. What will the trucker's displacement be after 2 mins?

a)

97 m; east

b)

190 m; east

c)

1600 m; east

d)

3240 m; east

43.
Nzingha Prescod is an American fencer. The tip of a fencing sword can move 173 cm in 0.05 seconds. What is the speed? 
a)
34.6 m/s
b)
0.09 m/s
c)
0.03 m/s
d)
178 m/s
44.
The chart below represents the change in velocity for four different trains. If it took 5.38 s to reach the final velocity, which train had the greatest acceleration?
a)
W
b)
X
c)
Y
d)
Z
45.
A meteoroid changed velocity from 1 km/s to 1.8 km/s in 0.03 seconds. What is the acceleration of the meteoroid?
a)
60.000 km/s2
b)
26.667 km/s2
c)
33.333 km/s2
d)
11.333 km/s2
46.

A train with an initial speed of 5.30 m/s accelerates uniformly at the rate of 2.00 m/s2. Find the final speed after 7.00 s.

a)

10.6 m/s

b)

3.5 m/s

c)

7.3 m/s

d)

19.3 m/s

47.

A driver in a car traveling at a speed of 5.8 m/s sees a stop sign 50 m away on the road. How long will it take for the car to accelerate uniformly to come to a complete stop at the stop sign?

a)

55.8 s

b)

8.6 s

c)

17.2 s

d)

290 s

48.

Where would the chicken end up if the chicken has a +2 displacement?

a)

+5 m

b)

+2 m

c)

0 m

d)

+3 m

49.

Which of the following is correct?

a)

Initial Position = -2 m

Final Position = 0 m

Distance = 14 m

Displacement = +2 m

b)

Initial Position = 0 m

Final Position = -2 m

Distance = 14 m

Displacement = -2 m

c)

Initial Position = -2 m

Final Position = 0 m

Distance = -2 m

Displacement = -2 m

d)

Initial Position = -2 m

Final Position = 0 m

Distance = 14 m

Displacement = +14 m

e)

None are correct.

50.

Two horses are running in a field. The gray horse runs 12 m/s north. The black horse runs 12 m/s east.

Which is true about their motions?

a)

Equal speeds.

b)

Equal velocities.

c)

Equal displacements.

51.
What does magnitude mean?
a)
size
b)
unit of measure
c)
level of significance
d)
point of view
52.

Which is a vector?

a)

Displacement

b)

Distance

c)

Speed

53.

Which of the following has INCORRECT units?

a)

speed = m/s

b)

time = s

c)

displacement = m

d)

velocity = s

54.

A horse follows a dangling carrot for 20 m, if it took her 5 seconds to reach it, what was her average speed?

a)

1,000 m/s

b)

2.5 m/s

c)

4 m/s

d)

20 m/s

55.

Which is the length of the path an object has traveled?

a)

displacement

b)

distance

c)

motion

d)

reference point

56.

Scott travels north 5 miles and then goes west 3 miles before coming straight back south 2 miles. What is his distance?

a)

10 miles

b)

7 miles

c)

8 miles

d)

6 miles

57.

You ride your bike in a straight line at a constant speed of 10 km/h.

a)

Acceleration occurred because speed increased.

b)

Acceleration did not occur because neither speed nor direction changed.

c)

Acceleration occurred because you changed directions.

d)

Acceleration occurred because speed decreased.

58.

What is speed?

a)

how far you go

b)

how much distance is covered over a period of time

c)

how fast you accelerate

d)

the change in the location of a object

59.

Changes in our speed, direction or both are called _________.

a)

gravity

b)

changes

c)

acceleration

d)

displacement

60.

During which interval is the object speeding up? (More than one answer choice possible)

a)

A to B

b)

B to C

c)

D to E

d)

E to F

e)

G to H

61.

This is a velocity-time graph. What is the object doing in segment A?

a)

Positive acceleration

b)

Negative acceleration

c)

Constant Velocity

d)

Not moving

62.
This graph demonstrates an object that is -
a)
Increasing speed
b)
At a constant speed
c)
Decreasing speed
d)
Stationary
63.

select all of the properties that are scalars

a)

distance

b)

time

c)

temperature

d)

speed

e)

displacement

64.

A dog ran at a speed of 20 m/s for 10 seconds. How far did it travel in this time?

a)

2 m

b)

1/2 m

c)

20 m

d)

200 m

65.

Which of the following are vectors?

a)

distance, speed, velocity

b)

speed, acceleration, velocity

c)

velocity, displacement, time

d)

acceleration, velocity, displacement

66.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
67.

During which interval is the object moving at a constant velocity? (More than one answer choice possible)

a)

A to B

b)

B to C

c)

D to E

d)

E to F

e)

G to H

68.

Define Origin

a)

The reference point on which a frame of reference is based; the point of time 0 on a displacement-time graph

b)

The measurement of the rate of change of position with respect to time

c)

The constant acceleration on an object because of gravitational force; on Earth it is 9.81 m/s2 .

d)

The vector quantity that gives the straight line distance from starting position to ending position

69.

Define Acceleration Due to Gravity

a)

The reference point on which a frame of reference is based; the point of time 0 on a displacement-time graph

b)

The measurement of the rate of change of position with respect to time

c)

The constant acceleration on an object because of gravitational force; on Earth it is 9.81 m/s 2^2  .

d)

The vector quantity that gives the straight line distance from starting position to ending position

70.

Define Displacement

a)

The reference point on which a frame of reference is based; the point of time 0 on a displacement-time graph

b)

The measurement of the rate of change of position with respect to time

c)

The constant acceleration on an object because of gravitational force; on Earth it is 9.81 m/s2 .

d)

The vector quantity that gives the straight line distance from starting position to ending position

71.

Define Position

a)

The measurement of the rate of change of position with respect to time

b)

A vector quantity that shows how far an object is from the origin in a given direction. It can be positive, negative or zero.

c)

The vector quantity that gives the straight line distance from starting position to ending position

72.

Define X-Axis

a)

The principal or horizontal axis of a system of coordinates, points along which have a value of zero for all other coordinates.

b)

The secondary or vertical axis of a system of coordinates, points along which have a value of zero for all other coordinates.

73.

Define Y-Axis

a)

The principal or horizontal axis of a system of coordinates, points along which have a value of zero for all other coordinates.

b)

The secondary or vertical axis of a system of coordinates, points along which have a value of zero for all other coordinates.

74.

Which of the following describes one-dimensional motion?

a)

Moving in a straight line

b)

Moving in a circular path

c)

Moving in a zigzag pattern

d)

Moving in all three dimensions

75.

Total Distance an object travels divided by the total time traveled.

a)

Motion

b)

Constant Speed

c)

Acceleration

d)

Average Speed

76.

The distance an object moves over time

a)

mass

b)

distance

c)

speed

d)

acceleration

77.

According to the graph below, what is the speed of the bird at 6 seconds?

a)

1 meter per second

b)

0 meters per second

c)

- 4.5 meters per second

d)

7 meters per second

78.

What is the total distance traveled by the object in the graph below?

a)

3 meters

b)

9 meters

c)

8 meters

d)

6 miles

79.

Imagine dropping a penny from the summit of Mount Everest, the highest peak in the world. Suppose the penny is dropped from rest and falls freely due to gravity. What is the speed of the penny after 3.25 seconds of free fall? Ignore air resistance.

a)

9.8 m/s

b)

1.63 m/s

c)

31.85 m/s

d)

9 m/s

80.

A moon jellyfish drifts through the water for 350 meters in 70 seconds. What is its speed in meters per second?

a)

2.45 m/s

b)

24,500 m/s

c)

0.2 m/s

d)

5 m/s

81.

Halley’s Comet travels an average of 156,000 miles per hour. How many hours would it take the comet to travel 3,744,000 miles?

a)

0.04 hours

b)

24 hours

c)

185 hours

d)

48 hours

82.

Convert 55 km/hr to m/s

a)

0.92 m/s

b)

3,300 m/s

c)

15.28 m/s

d)

0.015 m/s

83.

Convert 42 km to m

a)

4,200 meters

b)

0.042 meters

c)

42,000 meters

d)

420 meters

84.

What are the units for the following:

Distance/Displacement

a)

m

b)

s

c)

m/s

d)

m/s2

85.
A car is travelling East (+ x direction) and is slowing down to a stop. What direction does acceleration point?
a)
East
b)
West
c)
Up
d)
Backwards