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WorksheetsCollege Physics 1
Total questions: 90
Worksheet time: 2hrs 57mins
Name
Class
Date
1.
Not that your opinion will make the final decision, but what kind of test would you rather have?
a)
Multiple Choice Only - math questions will be asked in in multiple choice format
b)
Free Response Only - separate problems each covering a single concept
c)
One long free response problem covering all the topics
d)
You will be thoroughly reviewd, no matter which kind of test we have. Don't pick this answer
2.
When a car rounds a corner at a constant speed, its acceleration is zero.
a)
true
b)
false
3.
A ball is thrown upwards and caught when it comes back down. In the absence of air resistance, the speed of the ball when caught would be
a)
less than the speed it had when thrown upwards.
b)
more than the speed it had when thrown upwards.
c)
the same as the speed it had when thrown upwards.
4.
A car starts from rest and after 7 seconds it is moving at 42 m/s. What is the ’s average acceleration?
a)
0.17
b)
1.67
c)
7
d)
6
5.
As an object falls freely in a vacuum, its
a)
velocity increases
b)
acceleration increases
c)
both a and b
d)
none of the above
6.
In the absence of air resistance, objects fall at constant
a)
speed
b)
velocity
c)
acceleration
d)
all of the above
7.
Suppose an object is in free fall. Each second the object falls
a)
the same distance as in the second before.
b)
a larger distance than in the second before.
c)
with the same instantaneous speed.
d)
with the same average speed.
8.
A ball tossed vertically upward rises, reaches its highest point, and then falls back to its starting point. During this time the acceleration of the ball is always
a)
in the direction of motion
b)
opposite its velocity
c)
directed downward
d)
directed upward
9.
The horizontal component of a projectile's velocity is:
a)
constant
b)
a constant acceleration
c)
always -9.8 m/s2 down
10.
When a projectile is at the highest point of its path, the vertical velocity is:
a)
Constant
b)
Always -9.8 m/s2
c)
Zero
11.
Which component of velocity is changing for a projectile?
a)
The x component
b)
The y component
c)
Both change
d)
Neither change
12.
Two objects - one with mass m and the other with mass 2m - are released from rest at the same height. Which object hits the ground first?
a)
mass m
b)
mass 2m
c)
both objects hit the ground at the same time
d)
unable to determine with information given
13.
An object is shot directly upward from the ground. T1 represents the time it takes to reach the maximum height. T2 represents the time it takes to travel from the maximum height to the ground.
a)
T1 = T2
b)
T1 < T2
c)
T1 > T2
d)
unable to determine
14.
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
15.
If you throw a baseball straight up, what is its acceleration at the highest point?
a)
9.8 m/s2
b)
9.8 m/s
c)
0 m/s2
d)
0 m/s
16.
What is the horizontal acceleration of a projectile?
a)
0 m/s2
b)
9.8 m/s2
17.
An object is projected horizontally from a cliff. The time it takes to hit the ground is
a)
more than if it was just dropped
b)
less than if it was just dropped
c)
the same amount of time than if it was just dropped
d)
impossible to determine
18.
Corey stands on the Augusta Canal Bridge kicking stones into the water below. If Corey kicks a stone with a horizontal velocity of 3.5 m/s, and it lands in the water a horizontal distance of 5.40 m from where Corey is standing, what is the height of the bridge?
a)
11.6 m
b)
32 m
c)
10.8 m
d)
2.3 m
19.
Marcellus drops a half-eaten apple out the car window 1.0 m above the ground while traveling down the road at 18 m/s. How far, horizontally, from the initial dropping point will the pit hit the ground?
a)
5.23 m
b)
8.14 m
c)
18 m
d)
4 m/s
20.
An apple falls from a tree. It takes 1.5 seconds to reach the ground. How high did the apple start from?
a)
Δx = 11.25 m
b)
Δx = 7.5 m
c)
Δx = 1.5 m
d)
Δx = 10 m
21.
An object that has kinetic energy must be:
a)
Moving
b)
Falling
c)
Elevated
d)
At rest
22.
A toy cart moves with kinetic energy of 40 J. What is its kinetic energy if the speed is doubled?
a)
100 J
b)
160 J
c)
400 J
d)
80 J
23.
An arrow in a bow has 70 J of potential energy. Assuming no energy is lost, how much kinetic energy will it have after it has been shot?
a)
140 J
b)
70 J
c)
50 J
d)
35 J
24.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
25.
A roller coaster has a mass of 250 kg, and is 50 meters above the ground, what is the potential energy?
a)
122,625 Joules
b)
5,600 Joules
c)
234,799 Joules
26.
Japan’s fasted high speed “bullet” trains, also known as the Shinkansen, travel at a speed of 88.9 m/s. It has an estimated mass of 480,000 kg. What is the maximum KE of this train?
a)
259,000 Joules
b)
1,896,770,400 Joules
c)
10,444,678 Joules
27.
What are the two factors that affect kinetic energy?
a)
time and energy
b)
power and mass
c)
mass and speed
d)
time and work
28.
What is the unit of measurement for kinetic energy
a)
Newton
b)
Joule
c)
Watt
d)
Kilogram
29.
What type of energy does a rubber band have?
a)
Chemical Potential
b)
Elastic Potential
c)
Gravitational Potential
d)
Mechanical
30.
As energy transformations occur within a system, the total energy of the system ___.
a)
increases
b)
decreases
c)
is transferred out of the system
d)
remains constant
31.
A golf ball with a mass of .045 kg is drop 1.12 meters. What is the balls final velocity at the moment it hits the ground? Assume no energy is lost to air resistance.
a)
4.69 m/s
b)
9.81 m/s
c)
4.9 ms
d)
2.13 m/s
32.
A force of 4.5 N is exerted on a book and 2.7 J of work is done. How far did the book move?
a)
12.15 m
b)
0.6 m
c)
1.67 m
d)
4.5 m
33.
Who did more work: #1 who lifted a 280 N box 5 meters, or # 2 who lifted a 245 N box 6 meters?
a)
#1
b)
they did the same
c)
#2
34.
The momentum of an object depends upon the object's ___________&_____________.
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
35.
Determine the momentum of 1000-kg car moving northward at 20 m/s.........
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s
d)
50 Kg * m/s
36.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
37.
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
38.
What is the unit for momentum?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
39.
Which has more momentum: a car at a stop light or a bike moving at 15 mph?
a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
40.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
41.
In this type of collision, objects tend to "stick" together.
a)
elastic
b)
inelastic
c)
They "stick" together in both types of collisions
42.
Momentum is conserved in this type of collision
a)
elastic
b)
inelastic
c)
momentum is conserved in both types of collisions
43.
While playing pool, the white cue ball strikes the 8 ball. Before the collision, the cue ball's velocity was 10 m/s and the 8 ball was at rest. If both ball's have a mass of 0.15 kg and the cue ball's velocity after the collision is 2 m/s, what is the 8 ball's velocity?
a)
2 m/s
b)
8 m/s
c)
-2 m/s
d)
1.5 m/s
44.
In a physics experiment, two carts of mass 1.5 kg each are rolled towards each other. The orange cart has a velocity of 2 m/s and the blue cart has a velocity of -1m/s. The carts stick together when they collide. Calculate their final speed.
a)
0.5 m/s
b)
1.0 m/s
c)
0.33 m/s
d)
0.67 m/s
45.
In outer space, a bowling
ball and a ping-pong ball
attract each other due to
gravitational forces. How
do the magnitudes of these
attractive forces compare?
a)
The bowling ball exerts a greater
force on the ping-pong ball
b)
The forces are equal
c)
The ping-pong ball exerts a greater
force on the bowling ball
d)
The forces are zero because they
cancel out
46.
A hockey puck slides on ice at a constant velocity. What is the net force acting on the puck?
a)
Zero
b)
Equal to its weight
c)
Less than its weight but greater than zero
d)
Depends on the speed of the puck
47.
The statement "to every action there is an equal and opposite reaction" is _____.
a)
the law of conservation of momentum
b)
Newton's 1st law of motion
c)
Newton's 2nd law of motion
d)
Newton's 3rd law of motion
48.
What does the value 9.8 m/s2 represent?
a)
gravity
b)
how fast objects fall to earth
c)
acceleration due to gravity
d)
all of these answers
49.
When a ball is dropped, it accelerates down due to _____.
a)
friction
b)
atmospheric pressure
c)
gravity
d)
weight
50.
A person in a head-on collision who is not wearing a seat belt continues to move forward at the original speed of the car because of _____.
a)
friction
b)
inertia
c)
gravity
d)
weight
51.
After a cannonball is fired into frictionless space, the amount of force needed to keep it going equals _____.
a)
twice the force with which it was fired
b)
the same amount of force with which it was fired
c)
one half the force with which it was fired
d)
zero, since no force is necessary to keep it going
52.
A 10 N force and a 30 N force act on an object in opposite directions. What is the net force on the object?
a)
40 N
b)
30 N
c)
20 N
d)
10 N
53.
Which way is the box moving?
a)
to the right
b)
to the left
c)
going up
d)
going down
54.
Which way is the object moving?
a)
left
b)
right
c)
down
d)
up
55.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
56.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
57.
How does friction affect speed?
a)
more friction decreases speed
b)
more friction increases speed
c)
less friction decreases speed
58.
What happened during A to B point?
a)
not moving
b)
increasing speed at a constant rate
c)
moving at a constant speed
d)
moving at 10 m/s2 acceleration
59.
What happened during C to D point?
a)
not moving
b)
increasing speed at a constant rate
c)
moving at a constant speed
d)
moving at 0 m/s2 acceleration
60.
What happened during E to F point?
a)
not moving
b)
increasing speed at a constant rate
c)
moving at a 5 m/s
d)
moving at 5 m/s2 acceleration
61.
What is happening at C?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
62.
What is happening at D?
a)
Stationary
b)
Accelerating
c)
Fast steady speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
63.
What is happening at A?
a)
Stationary
b)
Accelerating
c)
Slower steady speed; moving away from the starting position
d)
Steady speed; returning to start position
64.
What is the objects average speed from 0-20 seconds?
a)
0.5m/s
b)
10m/s
c)
2m/s
d)
10m
65.
Which way is centripetal force directed?
a)
Forward
b)
Back
c)
Out
d)
In
66.
Which of these is least important when designing a friction turn on a new road?
a)
mass of vehicle
b)
road surface
c)
turn radius
d)
highway speed
67.
A test car moves at a constant speed around a circular track. If the car is 48.2 m from the track's center and has a centripetal acceleration of 8.05 m/s2, what is the car's tangential speed?
a)
19.7 m/s
b)
5.99 m/s
c)
0.17 m/s
d)
388.01 m/s
68.
When on a ride that goes in a circle, you feel pushed or pulled in a circular motion. What is this called?
a)
resistance
b)
centripetal force
c)
gravity
d)
air re
69.
Bruno the bat flies at a speed of 0.5 m/s in circle of radius 1 m. What is his acceleration?
a)
0.25 ms-2
b)
0.5 ms-2
c)
1 ms-2
d)
2 ms-2
70.
What is the force that causes centripetal acceleration when a car goes around a curve?
a)
Friction
b)
Gravity
c)
Normal
d)
Tension
71.
What is the direction of the velocity at point B, if the ball is revolving clockwise?
a)
up
b)
right
c)
down
d)
left
72.
What is the direction of the velocity at point A, if the ball is revolving clockwise?
a)
up
b)
right
c)
down
d)
left
73.
What is the direction of the acceleration at point A, if the ball is revolving clockwise?
a)
up
b)
right
c)
down
d)
left
74.
What is the direction of the acceleration at point B, if the ball is revolving clockwise?
a)
up
b)
right
c)
down
d)
left
75.
Centripetal acceleration always points
a)
in the direction of the object's motion
b)
in the opposite direction of the object's motion
c)
towards the center of the circle
d)
towards the outside of the circle
76.
If a bullet is horizontally shot at the same moment another bullet is dropped from the same height, which will hit the ground first?
a)
Shot Bullet
b)
Dropped Bullet
c)
Hit at Same Time
77.
A mobile is shown in the figure. The horizontal supports have negligible mass. Assume that all the numbers given in the figure are accurate to two significant figures. What mass M is required to balance the mobile?
a)
36 g
b)
90 g
c)
18 g
d)
60 g
78.
A uniform 40-N board supports two children weighing 500 N and 350 N. If the support is at the center of the board and the 500-N child is 1.5 m from its center, how far is the 350-N child from the center?
a)
1.5 m
b)
2.7 m
c)
2.1 m
d)
1.1 m
79.
A 15-kg child is sitting on a playground teeter-totter, 1.5 m from the pivot. What is the magnitude of the minimum force, applied 0.30 m on the other side of the pivot, that is needed to make the child lift off the ground?
a)
66 N
b)
740 N
c)
23 N
d)
44 N
80.
A 15-kg child is sitting on a playground teeter-totter, 1.5 m from the pivot. What is the minimum distance, on the other side of the pivot, such that a 220-N force will make the child lift off the ground?
a)
9.8 m
b)
1.0 m
c)
1.5 m
d)
0.10 m
81.
The time it takes to complete one cycle is known as ____________.
a)
Period
b)
Amplitude
c)
Frequency
d)
Herz
82.
The wave's crests are located at points __________.
a)
A & B
b)
A & E
c)
C
d)
B & D
83.
The wave's amplitude can be determined by measuring the distance between point ______ and point ______.
a)
A & B
b)
A & E
c)
C & E
d)
B & D
84.
This wave's period is ______.
a)
4 s
b)
1 s
c)
2 s
d)
6 s
85.
Convert from period to frequency.
0.1 sec = ______ Hz.
0.1 sec = ______ Hz.
a)
0.25 Hz
b)
0.1 Hz
c)
1 Hz
d)
10 Hz.
86.
A mass attached to a spring vibrates back and forth. At the equilibrium position, the
a)
acceleration reaches a maximum.
b)
velocity reaches a maximum.
c)
net force reaches a maximum.
d)
velocity reaches zero.
87.
A mass-spring system can oscillate with simple harmonic motion because a compressed or stretched spring has which kind of energy?
a)
kinetic
b)
mechanical
c)
gravitational potential
d)
elastic potential
88.
A truck with bad shock absorbers bounces up and down after hitting a bump. The truck has a mass of 1700 kg and is supported by four springs, each having a spring constant of 6200 N/m. What is the period for each spring?
a)
0.26 sec
b)
1.645 sec
c)
0.26 hz
d)
1.645 hz
89.
A wave has an amplitude of 58 cm. It has a period of 0.43 seconds. What is the angular velocity (w)?
a)
2.70 rad/s
b)
3.97 rad/s
c)
14.612 rad/s
d)
58.0 rad/s
90.
An object is attached to a vertical spring and bobs up and down between points A and B. Where is the object located when its kinetic energy is a minimum?
a)
at either A or B
b)
midway between A and B
c)
one-third of the way between A and B
d)
one-fourth of the way between A and B
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