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WorksheetsPhysics SPG Exam Review
Total questions: 62
Worksheet time: 1hrs 10mins
Name
Class
Date
1.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
2.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
800 N Down
d)
800 N Down
3.
A quantity that has both magnitude and direction is called a scalar quantity.
a)
True
b)
False
4.
All vectors have...
a)
components
b)
magnitude and direction
c)
Both (a) and (b).
d)
Neither (a) or (b).
5.
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?
a)
-7.5 m/s
b)
-7.5 m/s2
c)
-0.5 m/s2
d)
7.5 mi//hr
6.
A hiker walks 5 kilometers due north and then 7 kilometers due east. What is the magnitude of the resultant vector?
a)
2 km
b)
8.6 km
c)
12 km
d)
12.6 km
7.
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?
a)
750 seconds
b)
35 seconds
c)
0.3 seconds
d)
3.3 seconds
8.
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?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
9.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
10.
What is this graph showing?
a)
Constant Speed
b)
Acceleration (speeding up)
c)
Deceleration (slowing down)
d)
No motion
11.
The SI unit for acceleration is
a)
mph
b)
ft/sec2
c)
m/s2
12.
Find the displacement of an object that starts at rest and increases speed to 10 m/s with an acceleration of 2 m/s2.
a)
2.5m
b)
25m
c)
50m
d)
100m
13.
What does this graph represent?
a)
Constant speed
b)
Acceleration
c)
Not moving
d)
Turning around
14.
What is the SI unit used to measure force?
a)
pounds
b)
grams
c)
newtons
d)
friction
15.
What is the resultant of these two vectors?
a)
+2a
b)
0
c)
-2a
d)
+a
16.
All waves carry ________ as they travel from one place to another.
a)
matter
b)
space
c)
energy
d)
water
17.
If you throw a baseball straight up, what is its velocity at the highest point?
a)
9.8 m/s2
b)
9.8 m/s
c)
0 m/s2
d)
0 m/s
18.
Resistance is measured in ...
a)
amps
b)
watts
c)
volts
d)
ohms
19.
Current is measured in ...
a)
amps
b)
watts
c)
volts
d)
ohms
20.
A circuit with two or more branches is a __________ circuit
a)
series
b)
parallel
21.
How many paths does a series circuit have for electricity to follow?
a)
one
b)
two
c)
three
d)
two or more
22.
Define Inertia
a)
The amount of matter in an object
b)
Pull of gravity on an object
c)
A push or a pull
d)
An objects tendency to resist change in motion
23.
Define weight
a)
The pull of gravity on an object
b)
The amount of matter in an object
c)
A force that pulls objects to the ground
d)
The push of gravity on an object
24.
The total resistance of a 3-ohm and a 6-ohm resistor connected in series is...
a)
18 ohms
b)
9 ohms
c)
6 ohms
d)
3 ohms
25.
When resistors are put in parallel with each other, their overall resistance is..
a)
larger than that of any other resistor
b)
the same as the resistance of one of the resistors
c)
smaller than the resistance of any of the resistors
26.
Coulomb's law says that the force between any two charges depends...
a)
directly on the magnitude of the charges
b)
inversely on the square of the distance between charges
c)
both of these
d)
neither of these
27.
True/False: Electrons have a negative charge.
a)
True
b)
False
28.
True/False: Oppositely charged particles will repel.
a)
Tru
b)
False
29.
A measurement that gives magnitude and a unit
a)
Scalar
b)
Vector
c)
Speed
d)
Velocity
30.
Which of the following is a vector?
a)
Velocity
b)
Temperature
c)
Volume
d)
Mass
31.
Two cars collide and move separately after the collision. What type of collision is this?
a)
Elastic
b)
Inelastic
c)
Open
d)
Resultant
32.
How are impulse and momentum related?
a)
They are not
b)
Impulse is a change in momentum
c)
Momentum is a change in impulse
d)
They are identical
33.
Gravitation potential energy depends on an object's
a)
height
b)
position
c)
material composition
d)
all of these
34.
When an object is falling without friction, which is true?
a)
KE is converted to PE
b)
PE is converted to KE
c)
The object will reach terminal velocity
d)
KE - PE = TE
35.
Your teacher walks 30m North. Then turns and walks 40m East. What is the teacher's displacement?
a)
70 m
b)
50 m
c)
70 m Northeast
d)
50 m Northeast
36.
A baseball bat hits a ball with a force of 500 N. The .25 kg ball goes from zero to 100 m/s. How much time was the ball in contact with the bat?
a)
20 s
b)
10 s
c)
.05 s
d)
.5 s
37.
A spring has 50 J of energy stored when compressed. How much KE can it deliver when released, at most?
a)
0 J
b)
50 J
c)
100 J
d)
25 J
38.
The tendency of an object to resist a change in its state of motion
a)
unbalanced force
b)
inertia
c)
balanced force
d)
gravity
39.
Which law explains why you need to wear a seat belt?
a)
First (law of inertia)
b)
Second (F=ma)
c)
Third (Action-Reaction)
d)
Gravity
40.
What is the net force of this object?
a)
10 N, no direction
b)
10 N left
c)
5 N right
d)
0 N no direction
41.
Which graph represents zero acceleration (constant velocity)?
a)
A
b)
B
c)
C
d)
D
42.
Which graph shows the object standing still?
a)
A
b)
B
c)
C
d)
D
43.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move up.
44.
A rope is used to keep a 12 kg box sliding with a speed of 2 m/s in a circle with a radius of 3 m. What is the centripetal acceleration on the box?
a)
.75 m/s2
b)
1.33 m/s2
c)
.66 m/s2
d)
1.5 m/s2
45.
You walk 10 meters to math class in 20 seconds. Your average speed is
a)
2 m/s
b)
0.5 m/s
c)
200 m/s
d)
5 m/s
46.
Which force is responsible for pulling objects downward?
a)
air resistance
b)
gravity
c)
friction
d)
inertia
47.
As an ice hockey puck moves across the ice, which of Newton's three laws of linear motion best describes why it moves the way it does?
a)
First—Law of Inertia
b)
Second—Fnet=m·a
c)
Third—Action<>Reaction
d)
Fourth—Constant Temps.
48.
Throw a ball up into the air after doing 70 J worth of work on it. At its highest point, what will be its kinetic energy?
a)
70 J
b)
35 J
c)
0 J
d)
Unknown
49.
An object traveling in a circle at a constant rate is ....
a)
at constant velocity
b)
accelerating
c)
changing velocity
d)
changing speed
50.
When a cannon fires a cannonball we observe Newton's third law. Which force is the reaction force?
a)
The cannon moving forward
b)
The cannonball moving forward
c)
The cannon moving backward
d)
The cannonball moving backward
51.
Which law explains:
As the fuel in a rocket ignites, the force of the gas pushes out the back of the rocket and pushes the rocket forward
As the fuel in a rocket ignites, the force of the gas pushes out the back of the rocket and pushes the rocket forward
a)
1st Law
b)
2nd Law
c)
3rd Law
52.
Which law explains:
After you start up a motorcycle, as you give it more gas, it goes faster.
After you start up a motorcycle, as you give it more gas, it goes faster.
a)
1st law
b)
2nd law
c)
3rd law
53.
A 20 kg bike accelerates at 10 m/s2. what was the force
a)
25
b)
200 N
c)
20 N
d)
10 N
54.
What is magnetism?
a)
Energy created by magnets
b)
A force created by magnets
c)
A contact force
d)
An invisible force that attracts electrically charged particles
55.
What is an electromagnet?
a)
a magnet that creates an electric current
b)
a magnet created by an electric current
c)
a magnet that has an electric charge
d)
an electric charge that is magnetic
56.
A wave that requires a medium through wave which to travel
a)
A. electromagnetic wave
b)
B. longitudinal wave
c)
C. mechanical wave
d)
D. transverse wave
57.
A wave that does not require a medium
a)
A. electromagnetic wave.
b)
B. surface
wave
c)
C. medium
d)
D. transverse
wave
58.
Wave with the longest wavelength
a)
microwave
b)
radio
c)
gamma
d)
visible light
59.
When the wavelength increases the frequency will
a)
increase
b)
decrease
60.
What is the speed of a 20 Hz with a 4m wavelength?
a)
0.2 m/s
b)
5 m/s
c)
80 m/s
d)
320 m/s
61.
What is the wavelength of a wave traveling at 45 m/s with a frequency of 2000 Hz?
a)
0.0225 m
b)
44.4 m
c)
90,000 m
d)
90 m
62.
The SI unit for frequency is ________.
a)
m
b)
m/s
c)
hertz
d)
s
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