WorksheetsFinals Review (Physics B)
Total questions: 55
Worksheet time: 14hrs 45mins
Name
Class
Date
1.
A quantity that has both magnitude and direction.
a)
Scalar
b)
Mass
c)
Speed
d)
Vector
2.
Quantity with magnitude only
a)
Vector
b)
Scalar
c)
Force
d)
Friction
3.
A push or pull, measured in Newton's.
a)
Force
b)
Mass
c)
Coefficient of Friction
d)
Drag
4.
What is Newtons 2nd law of motion?
a)
Pancakes
b)
Force= Mass multiplied by acceleration
c)
For every action there is a equal and opposite re-action.
d)
Law of gravity
5.
Baseball pushes glove leftwards. What is the re-action
a)
The glove pushes the baseball rightward.
b)
The glove pushes the baseball leftward
c)
It stays still
d)
The glove pushes the baseball upward
6.
If a 10 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
7.
A 0.250 kg cart moving at 0.400 m/s has how much momentum?
a)
0.1 kg-m/s
b)
1 kg-m/s
c)
10 kg-m/s
d)
100 kg-m/s
8.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
9.
The formula for momentum is
a)
mass divided by velocity
b)
mass multiplied by velocity
c)
velocity divided by mass
d)
Force times acceleration
10.
Which graph represents an object at rest?
a)
1
b)
2
c)
3
d)
4
11.
Which graph represents an object moving at constant positive velocity?
a)
1
b)
2
c)
3
d)
4
12.
Which graph represents an object moving with constant positive acceleration?
a)
1
b)
2
c)
3
d)
4
13.
A 60N force is pushing a box of 2kg for 10m. What is the work done on the box?
a)
20J
b)
30J
c)
120J
d)
600J
14.
Where does the pendulum weight have the greatest gravitational potential energy?
a)
X
b)
Y
c)
Z
d)
X & Z
15.
Where does the pendulum weight have the greatest kinetic energy?
a)
X
b)
Y
c)
Z
d)
X & Z
16.
Two charges repel each other. They must be _________?
a)
both negative
b)
both positive
c)
like charges
d)
unlike charges
17.
1 Amp is the same as _________?
a)
1 Coulomb per/ second
b)
1 Ohm per/ volt
c)
1 Newton per/ Coulomb
d)
1 Joule per/ Coulomb
18.
Which of the following is the CAUSE of acceleration?
a)
Speed
b)
Inertia
c)
Force
d)
Velocity
19.
a 5kg box is pulled upward for a distance of 20m. What is the work done?
a)
W = m*d = 5*20 J
b)
W = F*d = (5*10)*20 J
c)
W = m/d = 5/20 J
d)
W = F/d = (5*10)/20 J
20.
A 5 kg rock is moving at 4 m/s. What is its KE?
a)
20 J
b)
10 J
c)
80 J
d)
40 J
21.
What symbol is used to represent the force of friction?
a)
Fg
b)
Fapp
c)
Ff
d)
FT
22.
What symbol is used to represent the applied force?
a)
Ff
b)
FT
c)
Fapp
d)
Fg
23.
A free body diagram representing the forces acting on a free falling object will include what two forces?
a)
gravity/normal
b)
gravity/air
c)
air/normal
d)
normal/friction
24.
What happens at 4 seconds?
a)
The object changes direction.
b)
The object is at the starting point.
25.
A machine does 1,500 joules of work in 30 seconds. What is the power of the motor?
a)
15 kg ⠂m²/s²
b)
150 kg ⠂m²/s²
c)
20 kg ⠂m²/s²
d)
50 kg ⠂m²/s²
26.
What are the two types of charges that objects may possess?
a)
+ and +
b)
+ and -
c)
+ and neutral
d)
- and neutral
27.
A cloth has a positive charge and can attract some paper scraps when held near them, what kind of charge can the paper scraps NOT have?
a)
Positive
b)
Negative
c)
Neutral
28.
A car accelerates from a standstill to 70 m/s in 10 seconds. What is the acceleration?
a)
0.7m/s2
b)
7m/s2
c)
14m/s2
d)
none of the above
29.
If an object mass =30 Kg on the Earth, what would be it's weight on Earth?
a)
30 N
b)
300 kg
c)
3000N
d)
300 N
30.
Objects with greater _________ also have greater inertia.
a)
speed
b)
mass
c)
temperature
d)
friction
31.
What does the Greek letter delta mean?
a)
initial
b)
final
c)
change in
d)
initial - final
32.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
33.
What charge does an electron have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
34.
What charge does a proton have?
a)
negative (-)
b)
positive (+)
c)
neutral or no charge (0)
35.
Which of the following is a vector quantity?
a)
Mass
b)
Speed
c)
Displacement
d)
Distance
36.
Which part of the distance time graph shows stationary motion?
a)
A
b)
B
c)
C
d)
D
37.
What is the resultant force on this object?
a)
34N
b)
6N
c)
26N
d)
14N
38.
What is the resultant force on this object?
a)
20N
b)
6N
c)
24N
d)
10N
39.
A 300Kg space probe lands on Titan where the gravitational field strength is 1.4N/Kg. What is the weight of the probe on Titan?
a)
420N
b)
214N
c)
300N
d)
450N
40.
Using the formula F=ma to help.
A force of 800N accelerates a car of mass 1500Kg. What is the acceleration?
A force of 800N accelerates a car of mass 1500Kg. What is the acceleration?
a)
0.53 m/s2
b)
1.88 m/s2
c)
2300 m/s2
d)
700 m/s2
41.
Which of the following is a rule that action-reaction forces must follow.
a)
act on different objects
b)
always add up to 100N
c)
always act in same direction
d)
always act towards the centre of the Earth.
42.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced
a)
12 N Right No
b)
4 N Left No
c)
12 N Right Yes
d)
4 N Left Yes
43.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
44.
Name the missing force...
a)
frictional force
b)
weight force
c)
thrust
d)
buoyant force
45.
Is this a scalar quantity or a vector quantity?
A deer running 15 meters per second due west
A deer running 15 meters per second due west
a)
Scalar
b)
Vector
46.
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
47.
A Newton is equal to which of the following?
a)
Kilogram-meter per second squared
b)
Kilogram per meter-second
c)
Kilogram-meter per second
d)
Meter per second squared
48.
A runner races in the 100 meter dash. It takes her 10 seconds to finish. What is her average speed?
a)
10 m/s
b)
1000 m/s
c)
100 seconds
d)
10 seconds
49.
What type of motion does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
50.
What type of motion does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Not moving
51.
1 kg =
a)
100 g
b)
10 g
c)
1,000 g
d)
0.001 g
52.
In science, if we are measuring time, what unit would we use?
a)
Hours
b)
Minutes
c)
Seconds
d)
Hourglass
53.
What is the unit for Weight?
a)
Pounds
b)
Kilograms
c)
Joules
d)
Newtons
54.
What is Work measured in?
a)
Newtons
b)
Joules
c)
Kilograms
d)
None of these
55.
In the formula KE = 1/2 m v2, what is velocity measured in?
a)
Joules
b)
Miles per hour
c)
Meters per second
d)
Grams
100 %
