Worksheets1020 Midterm Review -- Conceptual Physics
Total questions: 37
Worksheet time: 9hrs 15mins
Which of the graphs below indicates the object with the slowest velocity?
If an object is shot with no gravity acting on it, it will
fall straight down
follow a curved path
go in a straight line at a constant speed
curl upwards
A rifle with a muzzle velocity of 100 m/s is fired horizontally from a tower that is 500m high. Neglecting air resistance, how far downrange will the bullet be 1.0 second later?
50 m
98 m
100 m
490 m
When you are driving and look at the speedometer to check how fast you are going, you are checking your
average speed
instantaneous speed
velocity
acceleration
Compared to its mass on Earth, the mass of an object on the Moon is
less
more
the same
not enough information
A 10-N force and a 30-N force act on an object in opposite directions. What is the net force on the object?
40 N
30 N
20 N
10 N
Which of the following is the symbol for the distance traveled by an object in the vertical dimension?
vx
vy
dx
dy
What are the units for measuring force?
m/s2
kg m/s
N
N kg
Projectiles “A” and “B” are launched at the same time. “A” is simply dropped, “B” is launched horizontally.
"A" will hit the ground first.
"B" will hit the ground first.
They will hit at the same time.
Not enough information to solve.
The path followed by a projectile is the
trajectory
component
vector
projectile
The rate at which distance is covered is known as
acceleration
displacement
speed
gravity
The horizontal distance traveled by the projectile is the
component
trajectory
projectile
range
The object in the graph shown above is
traveling at a constant velocity
stopped
accelerating
traveling in reverse
Velocity and speed are
identical in every single way
different because velocity never has direction
the same as acceleration
different because velocity has direction
From the graph above, how many seconds does it take for the object to begin slowing down?
1 second
4 seconds
6 seconds
9 seconds
An object is dropped from rest. The speed of the object at the beginning of the trip is
49 m/s
0 m/s
-49 m/s
-9.8 m/s
Suppose you take a trip that covers 240 km and takes 4 hours to make. What is your average speed?
960 km/h
120 km/h
240 km/h
60 km/h
The slope of a distance vs. time graph will tell ______.
acceleration
time
displacement
velocity
An object is traveling across a surface at a constant velocity. Therefore it will have
no weight
no acceleration
no mass
no velocity
What is the only variable that connects the horizontal and vertical components of projectile problems?
distance
height
time
acceleration
A package drops off a truck that is moving at 30 m/s. Neglecting air resistance, the horizontal velocity of the package just before it hits the ground is
30 m/s
0 m/s
more than 30 m/s
less than 30 m/s but more than 0 m/s
An object that is falling freely toward earth has a constant ____.
velocity
distance
acceleration
speed
Forces always occur __________.
by themselves
as single quantities
in pairs
in triplets
If the force on a cart is doubled, what happens to the acceleration of the cart?
stays the same
doubles
half as much
4 times as much
In the absence of air, which of the following objects will fall faster on Earth?
a bowling ball
a baseball
a feather
all objects fall at the same rate
Which of the following best describes the motion of the car graphed above?
The car is slowing down.
The car is speeding up.
The car has a constant positive speed.
The car has a constant negative speed.
The letter _____ is used to designate the acceleration due to gravity on earth.
G
a
F
g
After 5 seconds pass the object in the graph above ___________.
speeds up.
is moving at a constant positive speed.
is moving at a constant negative speed.
is stopped.
The law of inertia applies to __________.
objects in motion.
objects at rest.
both objects in motion and objects at rest.
no objects.
The inertia an object has depends upon its _____.
mass
displacement
volume
shape
What is the acceleration due to gravity on earth?
-9.8 m/s2
32 m/s2
0 m/s2
+ 1.6 m/s2
The gravitational force, Fg or W, exerted on you by the Earth is usually called your ___.
mass
weight
acceleration
gravity
At the top of its path, a projectile has a vertical velocity of
10 m/s
0 m/s
9.8 m/s
9.8 m/s2
If an object is changing direction but maintaining a constant speed, it is
speeding
accelerating
stopping
falling
An object being launched, shot or thrown is called a (n)
range
component
vector
projectile
Acceleration is defined as the change in
distance divided by the time interval
velocity divided by the time interval
time it takes to move from one place to another
time divided by velocity
A player catches a ball. Consider the action force to be the impact of the ball against the player's glove. What is the reaction to this force?
The player's grip on the glove
The force the glove exerts on the ball
Friction of the ground against the player's shoes
none of the above
