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WorksheetsHonors Midterm Review
Total questions: 124
Worksheet time: 27hrs 19mins
Does upward movement of an object have a negative or positive velocity?
Negative
Positive
What is the correct unit for distance in kinematics?
m
ft
mi
km
What is the correct unit for velocity in kinematics?
m/min
mi/hr
d/t
m/s
What is the correct unit for acceleration in kinematics?
m/s
m/min2
m/s/t
m/s2
The highest point of an object's vertical motion where it changes direction to come back down.
Final velocity
Apex
Displacement
Height
Change in velocity each second that goes by
Velocity
Displacement
Acceleration
Apex
Horse A is running East at a speed of 6 m/s. Horse B is running at a speed of 8 m/s East as it passes Horse A. What is Horse B's velocity relative to Horse A?
14 m/s
-2 m/s
2 m/s
48 m/s
The equation for the force of friction is _______.
Ff = µFg
Ff = µFN
Ff = µFT
Ff = µFs
Momentum is the product of _________________ and velocity.
weight
mass
diretion
Because it is a measure of two quantities, momentum is a ____________________.
scalar
vector
both vector and scalar
If an eagle and a bumble bee are both traveling at 10 km/hr, which has the greater momentum?
eagle
bumble bee
both
Which has more momentum: a 5-kg fish swimming at 100 m/hr or a 25-kg fish at rest?
5-kg fish
25-kg fish
both
In a game of pool, when the cue ball breaks the rack, momentum is _____from the cue ball to the rack, which is why cue ball stops moving.
shared
stationary
transferred
A bowling ball has 9 kg m/s of momentum when it is rolled 6 m/s. What is the mass of the bowling ball?
54kg
15kg
3kg
1.5kg
The equation to calculate momentum is
p = m x v
p = 1/2 m x v2
p = m x g x h
p = m x g
A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.
1 N·s
6 N·s
66 N·s
None of these
A 5 N force is applied to a 3 kg ball to change its velocity from +9 m/s to +3 m/s. The impulse on the ball is ______ N·s.
-2.5
.
.
-10
-18
-45
A constant force of 4.5 N acts on a 7.2-kg object for 10.0 s. What is the change in the object's momentum?
45 kg m/s
72 kg m/s
32.4 kg m/s
0.45 kg m/s
The momentum of an object depends upon the object's ___________&_____________.
size and shape
mass and speed
mass and veloctiy
mass and energy
A force of 8 Newton’s is applied to a crate so that it moves at a constant velocity of 1.5 m/s. What is the net force?
1.5 N
8 N
12N
0 N
A forward force of 15 N is counteracted by a backwards frictional force of 6 N. The mass of the object is 2 kg. what is the acceleration?
it cannot be determined
4.5 m/s/s in the direction of the larger force
7.5 m/s/s in the direction of the larger force
3 m/s/s in the direction of the smaller force.
A student has a weight of 155 lb. What is this in Newtons?
70.5 N
690 N
155 N
none of these is corrected
Two factors that determine work are
force
acceleration
mass
distance
velocity
units for work are
newtons
joules
meters
seconds
if you push a cart with a force of 60 N for 2 m... how much work have you done
120 J
30 J
120 N
30 N
At which point of the roller coaster is potential energy the greatest?
W
X
Y
Z
The faster an object moves, the ________ kinetic energy it has.
more
less
When two identical cars, one traveling twice as fast as the other, brake to a stop using old-fashioned brakes, the faster car will skid
the same distance
twice as far
four times as far
more than four times as far
A model airplane moves three times as fast as another identical model airplane. Compared with the kinetic energy of the slower airplane, the kinetic energy of the faster airplane is
the same for level flight
twice as much
more than four times as much
500 J of work is done by a person who uses a force of 50N to move a box, how far does it go?
10 m
0.1 m
25,000 m
10 J
Newtons are the unit for _____________.
Work
Distance
Acceleration
Force
_____________ is the rate of doing work.
Conservation of energy
Joules
Energy
Power
As a pendulum gets longer, what happens to the period?
doesn't change
decreases
increases
Which of these does not affect the period of a pendulum?
length
gravity
mass
A pair of trapeze performers at the circus is swinging from ropes attached to a large elevated platform. Suppose that the performers can be treated as a simple pendulum with a length of 16 m. Determine the period for one complete back and forth cycle. (Useful equations are on the board).
2 sec
12 sec
8 sec
10 sec
Which would have the longest period?
Pendulum A: A 200-g mass attached to a 1.0-m length string
Pendulum B: A 400-g mass attached to a 0.5-m length string
A
B
Same
Your Mom wishes to make a simple pendulum that serves as a timing device. She plans to make it such that its period is 1.00 second. What length must the pendulum have? (Useful formulas are on the board)
1 m
.5 m
.25 m
More than 1 meter
A pendulum has a length of 4 meters. Determine the period for one complete back and forth cycle. (Useful formulas are on the board)
16 s
4 s
8 s
6 s
The number of cycles that are completed per second is called the _ and is measured in _.
frequency, cycles/second
wavelength, meters
amplitude, meters
period, seconds
The period of an ocean wave is 10 s. What is its frequency?
10 cycle/second
1 cycle/second
0.5 cycle/second
0.1 cycle/second
Which of the following affects the period of a pendulum?
What planet you're on
What material is used to make the pendulum
Which direction the pendulum starts swinging
The frequency of the mass weight force grams
Which of the following affects the period of a pendulum?
mass
length of the string
tension of the string
shape of the mass on the string
What is the period of a pendulum
how many times the pendulum swings before it stops
how many times the pendulum passes a point in one second
one complete cycle (complete to and fro motion)
the time it takes to complete one full cycle
What is the frequency of a pendulum
how many times the pendulum swings before it stops
how many times the pendulum passes a point in one second
one complete cycle (complete to and fro motion)
one complete cycle bouncing up and down
What property of this wave is represented by the letter "A"
amplitude
crest
trough
wavelength
_____ waves have vibrations that run parallel to the direction the wave travels, and _____ waves have vibrations that run perpendicular to the direction the wave travels.
transverse, longitudinal
longitudinal, transverse
Examples of this type of waves include water waves, waves on a string/jump rope, and light waves.
transverse
longitudinal
Examples of _____ waves include sound waves and earthquake P-waves.
transverse
longitudinal
Frequency is how many waves pass a point in 1 second. If 100 waves pass a given point in 4 seconds, what is the wave's frequency?
25 Hz
100 Hz
4 Hz
400 Hz
In a longitudinal wave, a ____ is an area where the particles are spread apart and a ____ is an area where the particles are close together.
crest, trough
compression, rarefaction
rarefaction, compression
trough, crest
Waves that can travel through empty space are called _____ waves. Waves that require a medium to travel, such as air or water, are called _____ waves.
mechanical, electromagnetic
electromagnetic, mechanical
crest, trough
compressional, rarefactional
In the diagram of a compressional wave, A is showing a ___ while B is showing a ___.
compression, rarefaction
trough, crest
rarefaction, compression
crest, trough
Standing waves are created by
Two identical waves reflecting off each other
Two identical waves being diffracted together
Two identical waves move through each other in opposite directions
Two identical waves are diffracted from two identical sources
In the diagram which letters represent the nodes
A B C
A C E
B D
B D E
A C D
When will gravity be the strongest?
The further away you are from an object
The closer you are to an object
The faster your relative speed is to an object
None of the above
Calculate the gravitational force between two objects when they are 0.750m apart. Each object has a mass of 5.00kg.
2.96x10-7N
3.00x10-6N
2.22x10-9N
2.23x10-8N
What is the gravitational force between two identical 50,000 kg asteroids whose centers of mass are separated by 1000 m?
2500 N
3.3 x 10-12 N
1.67 x 10-4 N
1.67 x 10-7 N
Two spherical objects have masses of 8000 kg and 1500 kg. Their centers are separated by a distance of 1.5 m. Find the gravitational attraction between them
5.4 X 10-4 N
1.2 X 107 N
3.6 X 10-4 N
5.33 N
According to Kepler law sun is situated at
center of orbit
anywhere in the orbit of planet
any of foci of elliptical orbit
Can be any wherr
A spring with spring constant 16 N/m is compressed by 0.5 m. How much energy is stored in the spring?
1 J
0.25 J
2 J
16 J
Calculate the force a spring with a spring constant of 16 N/m that is compressed by 0.5 m will exert.
32 N
- 32 N
- 8 N
16 N
As the person pulls the block from O to B, the spring potential energy of the system
increases
decreases
remains the same
