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Worksheets

February 2021 Primary Review

Total questions: 79

Worksheet time: 2hrs 30mins

Name
Class
Date
1.

Units of Force (F)

a)

s

b)

kg

c)

m

d)

N

2.

Units of mass (m)

a)

s

b)

N

c)

kg

d)

kg m/s

3.

Units of momentum (p)

a)

kg m/s

b)

kg

c)

m/s

d)

Ns

4.

Units of velocity (v)

a)

m/s2

b)

m/s

c)

N

d)

kg m/s

5.

Units of acceleration (a)

a)

m/s

b)

kg

c)

m/s2

d)

N

6.

Unit of displacement (Δx or d)

a)

m/s2

b)

kg

c)

m

d)

m/s

7.
Which statement describes a vector?
a)
It has magnitude but no direction
b)
It has direction but no magnitude
c)
It has both direction and magnitude
d)
It has constant magnitude but no
 direction
8.
A car travels 90 meters due north in 15 seconds. Then the car turns around and travels 40 meters due south.  What is the magnitude and direction  of the car's resultant displacement?  
a)
40 metres, South
b)
50 metres, South
c)
50 metres, North
d)
40 metres, North 
9.
Is this a scalar quantity or a vector quantity?
A deer running 15 meters per second due west
a)
Scalar
b)
Vector
10.
If a boomerang is thrown 20 m in a straight line and returns exactly to the spot it was thrown what is its displacement?
a)
20m
b)
40m
c)
0m
d)
-20m
11.
A car moved 60 km East and 90 km West. What is the distance it traveled?
a)
30 km, West
b)
60 km. East
c)
90 km
d)
150 km
12.
How do you combine vectors if they are in opposite directions?
a)
Add
b)
Subtract
c)
Pythagorean Theorem
d)
Use trigonometry
13.
How do you combine vectors if they are in the same direction?
a)
Add
b)
Subtract
c)
Pythagorean Theorem
d)
Use Trigonometry
14.

124.5 kilometers equals how many centi meters

a)

124,500 cm

b)

12.5 dm

c)

1,245 cm

d)

124,500 mm

15.

456 millgrams equals how many grams

a)

456 g

b)

45.60 g

c)

0.456 g

d)

1.456 g

16.

Which equation is correct

a)

200 mg = 2 g

b)

2000 mg = 2 g

c)

2000 mg = 0.02 g

d)

2000 mg = 0.002 g

17.

The base unit of mass is

a)

gram

b)

liter

c)

meter

d)

cubic centimeter

18.

How many centimeters in on meter

a)

1

b)

10

c)

100

d)

1000

e)

depends on the meter used

19.

Match the picture with the measurement.

a)

1 meter (m)

b)

1 centimeter (cm)

c)

1 kilometer (km)

d)

1 gram (g)

e)

1 kilogram (kg)

20.

Force is a

a)

Vector

b)

Scalar

21.

Mass is a

a)

Vector

b)

Scalar

22.

Weight is a

a)

Vector

b)

Scalar

23.

Speed is

a)

Vector

b)

Scalar

24.

Velocity is

a)

Vector

b)

Scalar

25.

Acceleration is

a)

Vector

b)

Scalar

26.

Momentum is

a)

Vector

b)

Scalar

27.

Displacement is

a)

Vector

b)

Scalar

28.

Distance is

a)

Vector

b)

Scalar

29.
Which of the following in the LARGEST number?
a)
9 x 106
b)
8 x 1010
c)
1.3 x 1012
d)
5.3 x 103
30.
Which of the following numbers is the SMALLEST?
a)
8.7 x 103
b)
3 x 104
c)
1.3 x 108
d)
9 x 102
31.

Which value is the greatest

a)

5.0 x 10-9

b)

5.0 x 10-4

c)

5.0 x 106

d)

5.0 x 108

32.

Which number is the least in value

a)

5.0 x 10-9

b)

5.0 x 10-4

c)

5.0 x 106

d)

5.0 x 108

33.
What is scientific notation?
a)
A long way to write really short  numbers
b)
A short way to write really long numbers
c)
I don't know...
d)
None of the above
34.
7.82 x 10-6 is an example of scientific notation. The exponent of -6 tells you your number will be very ________.
a)
Large
b)
Small
c)
Basic
35.
Morgan walks 10 miles South. Trevor walks 10 miles North in the same amount of time.  They have:
a)
Different average speeds
b)
Different velocities
c)
Same velocity
d)
Same motion
36.
A car starts from a stoplight and is traveling with a velocity of 10 m/sec east in 20 seconds.  What is the acceleration of the car?
a)
.5 m/s/s
b)
.5 m/s
c)
2 m/s/s
d)
2 m/s
37.
How long will your trip take (in hours) if you travel 350 km at an average speed of 80 km/hr? 
a)
80 hours
b)
.22 hours
c)
4.38 hours
d)
6
38.
When a skydiver is falling through the air, they are in free fall.
a)
True 
b)
False
39.
Which of the options below is an example of velocity?
a)
20 m/s
b)
200 km/h
c)
20 m/s East
d)
20 East
40.

A student walks 10 miles due East in 2 hours to get to school. What is his average speed?

a)

10 miles / 2 hours = 5 miles per hour

b)

10 miles + 2 hours = 12 miles per hour

c)

10 miles X 2 hours = 20 miles per hour

41.
A  car starts from rest and after  7 seconds it is moving at 42  m/s. What is the car’s acceleration?
a)
0.17
b)
1.67
c)
6
d)
7
42.
How long will it take a running horse to travel 260 m and attain a speed of 12 m/s from rest?
a)
1200 seconds
b)
1.2 hours
c)
43 Hours
d)
43 minutes
43.
A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops? 
a)
4.20 m
b)
52.5 m
c)
105 m
d)
158 m
44.
A car is traveling at 21.0 m/s. It slows to a stop at a constant rate over 5.00 s. How far does the car travel during those 5.00 seconds before it stops? 
a)
4.20 m
b)
52.5 m
c)
105 m
d)
158 m
45.
What happens to the velocity of a ball as it is dropped off a cliff? 
a)
It decreases at a uniform rate 
b)
It increases at a uniform rate 
c)
It is constant 
d)
It increases at a non-uniform rate
46.

An automobile slows from 26 m/s to 18 m/s. Its acceleration is −2.0 m/s^2. How much time does it take for the vehicle to slow down?

a)

4.0 s

b)

-4.0 s

c)

8.0 s

d)

9.0 s

47.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
60 N right
b)
10 N left
c)
60 N right
d)
50 N left
48.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
49.

When an object is in free fall,

a)

its speed stays the same.

b)

it decelerates

c)

it accelerates.

d)

none of the above.

50.
Which of these best describes the concept of inertia?
a)
A force that attracts objects with mass
b)
the tendency of an object to float in water
c)
a force created when surfaces are in contact
d)
The tendency of an object to resist a change in motion
51.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration?  (F=ma)
a)
The one with a mass of .78 kg will have the greatest acceleration.
b)
The one with a mass of .52 kg will have the greatest acceleration.
c)
They will both accelerate at the same rate.
52.
When the velocity of an object does not change, what happens to its acceleration?
a)
Nothing, it does accelerate
b)
It is a constant acceleration
c)
It is a changing acceleration
53.
A freely falling object starts from rest. After falling for 6 seconds, it will have a speed of about:
a)
6m/s
b)
30m/s
c)
60m/s
d)
300m/s
54.

The gravitational acceleration of an object in a vacuum near the surface of the Earth is defined as:

a)

g = 9.8 m/s.

b)

g = 9.8 m.

c)

g = 9.8 m/s2.

d)

g = 9.8 s.

55.

A textbook is dropped from a second floor window and falls to the ground. What happens to the acceleration as the book falls to the ground

a)

the acceleration increases by about 10 m/s each second.

b)

the acceleration decreases randomly.

c)

the acceleration remains constant.

56.

A textbook is dropped from a second floor window and falls to the ground. What happens to the velocity of the book as it falls to the ground?

a)

the velocity increases by about 10 m/s each second

b)

the velocity decreases by about 10 m/s each second

c)

the velocity remains constant

57.

Juan is standing on the balcony of his hotel room, at a height of 45 meters. He accidentally drops his cell phone over the railing. How fast will the phone be traveling when it hits the ground? Ignore the effect of air resistance. (hint: how long does it take to hit the ground?)

a)

9.8 m/s (10 m/s if you round 'g' to 10 m/s2)

b)

24.9 m/s (30 m/s if you round 'g' to 10 m/s2)

c)

149.76 m/s (150 m/s if you round 'g' to 10 m/s2)

d)

46.99 m/s (50 m/s if you round 'g' to 10 m/s2)

58.
Name the missing force....
a)
weight force
b)
normal force
c)
frictional force
d)
tension force
59.
Name the missing force...
a)
weight force
b)
normal force
c)
applied force
d)
frictional force
60.

What is the NET FORCE of this diagram?

a)

17 N, right

b)

17 N, left

c)

23 N, right

d)

12 N, up

61.

Which freebody diagram best represents an air balloon hovering in the air

a)
b)
c)
d)
62.

A load is being lifted by a crane. What is the net force equation for the vertical (y) direction.

a)

ma = Fw + Fg

b)

ma = Fg + FT

c)

ma = 0

d)

ma = FN + Fg

63.

A load is being lifted by a crane. What is the net force equation for the horizontal (x) direction

a)

ma = Fw + Fg

b)

ma = Fg + FT

c)

ma = 0

d)

ma = FN + Ff

64.

How fast is this object moving?

a)

1 meter

b)

1 meter /second

c)

2 meters/second

d)

4 seconds

65.
Which graph shows an object moving at a constant rate?
a)
A
b)
B
c)
D
d)
E
66.
Which graph shows an object not moving?
a)
A
b)
B
c)
C
d)
D
67.

Part C of the graph is from 35s to 55s. Which of these statements is true about Part C?

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.

68.

Part B of the graph is from 25s to 35s. Which of these statements is true about Part B?

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.

69.

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.

70.
The force of __________________ is a type of friction that works against the motion of falling objects.
a)
Terminal Velocity
b)
Gravity
c)
Free Fall
d)
Air Resistance
71.

Generated between two bodies in contact with each other by resistance to rubbing between them.

a)

Push or pull

b)

Tension

c)

Elasticity

d)

Friction

72.

Is the force usually exerted by a surface on an object that is resisting against it.

a)

Friction

b)

Normal force

c)

Elasticity

d)

Tension

73.

Is the force of attraction that the body with mass exerts on another.

a)

Tension

b)

Push or pull

c)

Gravity

d)

Normal force

74.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force
75.
Name the missing force...
a)
tension force
b)
gravitational force
c)
normal force
d)
applied force
76.
Name the missing force...
a)
weight force
b)
normal force
c)
applied force
d)
frictional force
77.
The leaves on the plant are turning brown.
a)
Qualitative
b)
Quantitative
c)
Both
d)
Neither
78.
The plant has grown 4 cm since yesterday.
a)
Qualitative
b)
Quantitative
c)
Both
d)
Neither
79.
There are 16 red marbles in the bag.
a)
Qualitative
b)
Quantitative
c)
Both
d)
Neither

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