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WorksheetsMotion and Forces Test Review 2425
Total questions: 65
Worksheet time: 47mins
The arrows in the diagram below represent the forces acting on a moving bicycle at two different times, time 1 and time 2. The length of each arrow represents the amount of force being applied. As a result of the change in the forces from time 1 to time 2, the bicyclist will
(1) move slower in a forward direction
(2) move in a backward direction
(3) move faster in a forward direction
(4) stop moving
The diagram represents a person pushing a 50-kg box up a ramp. Which force will decrease if the surface of the ramp is made smoother?
(1) gravity
(2) magnetism
(3) friction
(4) electricity
In a car accident, a seat belt helps prevent injuries by applying a force
(1) less than the force of the moving passenger
(2) greater than the force of the moving car
(3) in the same direction as the car’s motion
(4) in the opposite direction of the passenger’s motion
To make an object move you must first apply ---
an opposing force
an unbalanced force
a stationary force
a vertical force
a force is best defined as ---
the application of weight
a push or pull that is exerted on matter
the flow of electric charges
a bond in which electrons are shared
A student pushes against a wall with 20 N of force and the wall does not move. In this situation, the wall exerts --
0 N of force
less than 20 N of force
20 N of force
more than 20 N of force
Oliver stepped onto a three-car subway train with standing room only. What caused him to fall backward into other riders when the train suddenly moved forward?
He was riding in the last car of the train.
He had heat exhaustion from the overcrowded train.
Oliver's body resisted a change in the subway train's inertia.
Oliver's body was responding to the force of gravity.
Which law of motion predicts that a moving hockey puck will continue to move in the same direction at the same speed unless acted upon by another force?
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
Newton's Law of Universal Gravitation
Which law explains the relationship among mass, force and acceleration?
Universal Law of Gavitation
Newton's First Law of Motion
Newton's Second Law of Motion
Newton's Third Law of Motion
The force of an object, with a certain mass accelerating at a certain rate, can be determined by using the equation below.
force = mass x acceleration
Which object would have the greatest force?
A 5 kg object accelerating at 10 m/s
A 5 kg object accelerating at 20 m/s
a 20 kg object accelerating at 4 m/s
a 20 kg object accelerating at 3 m/s
Which of these would be different for an object if measured on the Earth and on the Moon?
Mass
Weight
Volume
Density
The diagram below show the forces acting on a soccer ball.
In which of the diagrams will the ball remain motionless?
W
X
Y
Z
Which of these examples best illustrates Newton's Second Low of Motion?
A 100 Ib boy has twice as much inertia as a 200 Ib boy.
A truck needs a more powerful engine than a small car.
A hockey puck slides easily across the ice.
A satellite stays in orbit for a long time.
According to Newton's Third Law of Motion, if Mike pushes down on the springboard to being his dive, what is the reaction force?
Mike splashing into the water
The springboard pushing Mike into the air
The height of the water when Mike enters the water
The sound the board makes as he pushes into the air
Which of the following situations is an example of Newton's third law of motion?
A boy jumping on a trampoline
A boy falling forward when a bus stops
A chair sitting on the floor
An apple falling from a tree
In a head-on collision, a person who is not wearing a seat belt continues to move forward at the original speed of the car because of -
weight
mass
gravity
inertia
A ball travels at a constant speed of 6 meters per second along a frictionless surface. Which table correctly shows what a student may have measured and recorded if they watched this ball in motion over a 10-second time period?
Which of the following statements about the car's motion is true?
The total time for the car trip was 50 minutes.
The car returned to where it had started the trip at the end of the trip.
The car did not slow down during the trip.
The car did not travel at a constant speed during the entire trip.
Which statement BEST describes the motion of the cars?
Cars 1 and 3 have constant speeds, whereas Car 2 has a variable speed.
Cars 1 and 3 have variable speeds, whereas Car 2 has a constant speed.
All three of the cars have variable speeds.
All three of the cars have constant speeds
Which of the following correctly describes the object's motion?
The object is moving with increasing acceleration
The object is moving with constant acceleration.
The object is moving with increasing velocity.
The object is moving with constant velocity.
Kevin places a book on a desk. Why does the book stay still on the desk?
There are no upward forces on the book.
There are no downward forces on the book.
The forces acting on the book are balanced.
The forces acting on the book are unbalanced.
Which graph correctly shows the distance and time traveled by the race car?
If the force of each team is balanced by the other, then
both teams will fall to the ground.
both teams will move to the right.
both teams will move to the left.
both teams will remain in place.
Which answer choice best explains why tractor trailers take more time to speed up and slow down than regular cars?
Tractor trailers have less mass and require less force to move.
Tractor trailers have more mass and require more force to move.
Tractor trailers have less mass and require more force to move.
Tractor trailers have more mass and require less force to move.
The student claims that if she applies a force of 10 N to a block with a mass of 10 kg, it will accelerate faster than 2 m/s2. Which statement evaluates her claim correctly?
The claim is correct because heavier objects require more force to accelerate.
The claim is correct because heavier objects require less force to accelerate.
The claim is incorrect because heavier objects require more force to accelerate.
The claim is incorrect because heavier objects require less force to accelerate.
The distance traveled divided by the time in which the motion occurred is called
speed.
motion.
velocity.
An object's change in position relative to a reference point is called
enertia.
motion.
speed.
Mark drives to his friends house 200 miles in 4 hours. What is Mark's speed?
800 mph
20 mph
50 mph
The speed of an object in a particular direction is called
motion.
inertia.
velocity.
Combining all forces acting on an object is called
acceleration.
inertia.
net force.
If Bob pushes a box north with 40 N of force and Bill helps by pulling the box north with 20 N of force, what is the net force acting on the box?
20 N
60 N
If the man and the ball travels 90 m in 9 seconds, what is their average speed?
10 m/s
180 m/s
99 m/s
10 meters
If a lizard can run 8 m across the water in 4 seconds, how fast is he traveling?
32 m/s
2 m/s
2 seconds
34 meters
What will the net force on the soccer ball be?
50 N to the left
50 N to the right
200 N to the left
200 N to the right
Person on the left = 45 N
Person on the right = 32 N
What is the net force?
zero N
10 N
77 N
13 N
Which one of these is not an example of force?
Friction
Mass
Gravity
all of the above
What unit do scientists use to measure force?
Newton
Grams
Meters
Meter per second per second
What makes an electromagnet stronger?
greater number of loops
smaller number of loops
decreasing the current
decreasing the voltage
Magnets can pull on things without touching them.
True
False
A type of magnet that has temporary magnetic effect when electric current flows through it.
This refer to
Electric
Electronic
Electrostatic
Electromagnet
By sprinkling iron filings in a magnetic field on a flat surface, it is possible to see the __________ of a magnetic field.
shape
distance
mass
temperature
The image above shows how iron filings respond to magnetic fields generated by two magnets with ____________ poles facing each other.
opposite
like
positive
negative
The image above shows how iron filings respond to magnetic fields generated by two magnets with ____________ poles facing each other.
like
opposite
positive
negative
Which Law of Motion is Newtons Second Law of Motion.
What Law is this
First Law
Second Law
Third Law
If you blow up a balloon and then release it, the balloon will fly away. Which of the following laws of motion governs this situation?
1st law of motion
2nd law of motion
3rd law of motion
Uniform circular motion
Which of Newton's Laws of motion best explains why motorists should buckle up?
1st law of motion
2nd law of motion
3rd law of motion
Uniform circular motion
Forces come in ___________ ___________ force pairs.
action, reaction
acting lessons
action, cut
chemical reaction
When a hammer exerts a force on the nail, the nail _________________________________________.
exerts a smaller amount of force back onto the hammer
exerts a larger amount of force back onto the hammer
exerts the same amount of force back onto the hammer
cries and cries and cries
The nozzle of a rocket is pointed downward so that as fuel is ignited, the exhaust pushes downward. Why is this arrangement necessary for a rocket to function properly?
The rocket is protected from the heat of the exhaust.
Burned fuel can be collected on the ground.
As fuel is combusted, the rocket pushes the gases backward and the gases push the rocket forward.
This allows the rocket to be steered properly.
