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WorksheetsForces & Motion Review
Total questions: 90
Worksheet time: 4hrs 30mins
Name
Class
Date
1.
"Ball A" was dropped from a higher elevation. Which of the following forces is responsible for it falling downward?
a)
magnetism
b)
gravity
c)
electricity
d)
friction
2.
"Ball C" is rolling across the surface, but it eventually comes to a stop. Which force is most likely responsible for this?
a)
gravity
b)
magnetism
c)
electricity
d)
friction
3.
If all of the above blocks are the same mass, which of the following would slide across the surface the fastest as a result of the forces acting on it?
a)
Block D
b)
Block B
c)
Block C
d)
Block A
4.
If Block B and Block D are the same mass, which of the following describes how they would move when exposed to the forces above?
a)
Both blocks would move at the same speed, but in different directions.
b)
Both blocks would move in the same direction, but at different speeds.
c)
Both blocks would move in the same direction and at the same speed.
d)
Both blocks would stay still.
5.
What is the moment when two objects hit each other?
a)
Cause
b)
Collision
c)
Effect
d)
Exert
6.
What is a force?
a)
A push or pull that can change the motion of an object
b)
To reach a conclusion using evidence and reasoning
c)
The energy that an object has because it is moving
d)
The amount of matter that makes up an object
7.
How does friction affect the speed of an object?
a)
Speeds it up
b)
Slows it down
8.
Which of the following is the equation for Newton's second law of motion?
a)
F = m x a
b)
m = F x a
c)
a = m X F
d)
F = m x v
9.
When a train increases its velocity, its momentum
a)
decreases
b)
remains unchanged
c)
increases
d)
is transferred to its surroundings
10.
What must you know to find the momentum of an object?
a)
mass and acceleration
b)
acceleration and force
c)
mass and velocity
d)
velocity and tim
11.
A falling object's terminal velocity is reached when the force of gravity
a)
is greater than the force of air resistance
b)
is less than the force of air resistance
c)
is equal to the force of air resistance
d)
is the only force acting on an object
12.
A car stopped at a traffic light is best described by
a)
Newton's first law of motion for objects at rest
b)
Newton's first law of motion for objects in motion
c)
Newton's second law of motion
d)
Newton's third law of motion
13.
A sled sliding on a flat, icy surface with a constant velocity is best described by
a)
Newton's first law of motion for objects at rest
b)
Newton's first law of motion for objects in motion
c)
Newton's second law of motion
d)
Newton's third law of motion
14.
Newton's first law of motion states that a moving object, unless it is acted on by an unbalanced force, will
a)
remain in motion
b)
eventually come to a stop
c)
change its momentum
d)
accelerate
15.
Tim and Carla play catch with a ball. Which term describes the motion of a ball?
a)
shape
b)
size
c)
speed
d)
weight
16.
What is the speed of a runner who runs 400 meters in 40 seconds? (speed = distance ÷ time)
a)
10 meters/second
b)
40 meters/second
c)
100 meters/second
d)
1,600 meters/second
17.
Which information is needed to determine how fast a truck is traveling?
a)
direction and mass
b)
distance and time
c)
size and speed
d)
time and weight
18.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
19.
1. Which of the following statements about speed and velocity is correct?
a)
Velocity only describes an object’s rate of motion.
b)
Speed describes how an object is changing its velocity.
c)
Speed and velocity both describe how an object is speeding up.
d)
Only velocity includes the direction an object is traveling.
20.
2. Which of the following objects is not changing its velocity?
a)
A golf ball rolling down a ramp
b)
A skateboard rolling up a hill
c)
A cue ball rolling forward at a constant speed
d)
A marble going around the curve in a track
21.
When a car goes around a corner at 20 mph, why do we say it accelerates?
a)
The car is accelerating because of the velocity is constant
b)
The car accelerates because it's going 20 mph
c)
Cars always accelerate when they are in motion
d)
The car is accelerating because it's changing direction
22.
Turning a corner on a bike
a)
speed
b)
velocity
c)
acceleration
23.
Flying 350 miles per hour west
a)
speed
b)
velocity
c)
acceleration
24.
Shona cycles at an average speed of 8km/h. How far has she travelled if she cycles for 4 hours?
a)
55km
b)
32km
c)
43km
d)
32miles
25.
If a cheetah runs 180 miles in 3 hours, what is its average speed?
a)
60 hours
b)
60 miles
c)
60 miles/hour
d)
60 miles/second/second
26.
Which of the following is a unit for acceleration?
a)
km/s
b)
m/s2
c)
mi/hr
d)
ft
27.
Total distance divided by total time is
a)
average speed
b)
constant speed
c)
instantaneous speed
d)
acceleration
28.
The speed at any single instant of time?
a)
speed
b)
average speed
c)
instantaneous speed
d)
velocity
29.
The graph represents
a)
balanced forces
b)
unbalanced forces
30.
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.
31.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
32.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
33.
Calculate the Net Force.
a)
60 N, Left
b)
40 N, Right
c)
0 N
d)
60 N, Right
34.
Calculate the Net Force.
a)
40 N, Left
b)
40 N, Right
c)
0 N, Balanced
d)
75 N, Right
35.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
36.
What is the unit to MEASURE force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
37.
A force acting in the opposite direction of an object in motion
a)
Gravity
b)
Buoyant
c)
Friction
d)
Normal
38.
What is the net force
a)
10 N
b)
0 N
c)
25 N
d)
1 N
39.
The tendency of an object to resist a change in its motion
a)
acceleration
b)
inertia
c)
mass
d)
frame of reference
40.
Objects with greater _________ also have greater inertia.
a)
speed
b)
mass
c)
temperature
d)
friction
41.
Because of inertia, a resting object will remain at ________.
a)
rest
b)
a constant speed
c)
school
d)
inertia
42.
Because of inertia, a moving object will keep ________.
a)
at rest
b)
moving
c)
in one spot
d)
inertia
43.
What kind(s) of objects have inertia?
a)
all objects with mass
b)
only objects at rest
c)
only objects in motion
d)
only objects whose motion is being changed
44.
An object in motion tends to stay in motion unless a(n) ___ force acts on it.
a)
unbalanced
b)
balanced
45.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
46.
Newton's 1st law states that an object in motion will stay in motion, unless acted on by an opposite force
a)
true
b)
false
47.
If an object has a kinetic energy, it must be _____.
a)
at rest
b)
in motion
48.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
49.
__________ is stored energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
50.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
same
51.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
c)
Both potential and kinetic energy
d)
none of the above
52.
What pulls a ball back to earth?
a)
Gas
b)
Friction
c)
Gravity
d)
Molecules
53.
Which law best describes a satellite orbiting the earth?
a)
Law of Inertia
b)
Law of Mass and Acceleration
c)
Law of Action Reaction
54.
What is Newton's Second Law of Motion?
a)
F = m x a
b)
Action/Reaction
c)
Object in motion will stay in motion, object at rest will stay at rest
d)
Velocity
55.
What is the standard unit force is measured in?
a)
Newton
b)
Gram
c)
Pound
d)
Meter
56.
What is Newton's Third Law of Motion?
a)
Object in motion stays in motion and an object at rest stays at rest unless acted on by an unbalanced force
b)
Force = m x a
c)
For every action there is an equal and opposite reaction
57.
According to Newton's Second Law, if you increase the force applied to an object:
a)
It accelerates more
b)
It doesn't move
c)
You get more inertia
d)
It decelerates
58.
What Newton's law does this picture represent?
a)
Newton's 2nd law
b)
Newton's 1st law
c)
Newton's 3rd law
d)
Newton's 5th law
59.
Which has more inertia--
a)
Truck
b)
Cat
c)
Ant
d)
Skateboard
60.
1000 kg is the -----
a)
Force
b)
Mass
c)
Acceleration
d)
Weight
61.
20 N is the ----
a)
Mass
b)
Force
c)
Acceleration
d)
Weight
62.
Forces always act in equal and opposite pairs.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
63.
Which is the best example of Newton's First Law of Motion?
a)
a basketball thrown in the air falls to the ground
b)
a soccer ball remains motionless until it is kicked by a player
c)
a baseball player swings at an approaching ball
d)
an ice skater pushes back from a wall and moves backwards
64.
A truck that is travelling at a constant speed is carrying some boxes. If the truck comes to a sudden stop, what will most likely happen to the boxes?
a)
They will stay in the middle of the truck.
b)
They will slide toward the front of the truck.
c)
They will slide toward the back of the truck.
d)
They will fall off the side of the truck.
65.
The force that draws all objects towards Earth.
a)
friction
b)
gravity
c)
mass
d)
acceleration
66.
Who invented the 3 Laws of Motion?
a)
Sir Francis Bacon
b)
Sir Isaac Newton
c)
Johannes Kepler
d)
Galileo Galilei
67.
If you are shooting a basketball, the basketball pushes on your hand as your hand pushes on the basketball. This is Newton's 3rd law of motion that says
a)
for every action there is an equal and opposite reaction
b)
an object at rest will stay at rest unless acted on by an unbalanced force
c)
acceleration is produced when a force acts on a mass, the greater the mass, the greater the amount of force needed to accelerate the object
d)
an object in motion will remain in motion unless acted on by an unbalanced forece
68.
If Brandon wants the baseball to go far, he must use _________ force when he swings the bat.
a)
no
b)
equal
c)
less
d)
more
69.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
70.
If net force acting on object is 0, then the force is considered to be..
a)
Balanced
b)
Unbalanced
c)
Equal in Direction
d)
Distance/Time
71.
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
72.
A bike accelerates at 10 m/s2 when a force of 50N is applied. What is the mass of the bike and its rider?
a)
25 kg
b)
200 kg
c)
20 kg
d)
5 kg
73.
Which of Newton's laws are illustrated with a rocket launch?
a)
1st Law, the Law of Inertia.
b)
2nd Law, the Law of Acceleration.
c)
3rd Law, the Law of Action Reaction
d)
The Law of Conservation of Mass
74.
A sports car speeds up much faster than a dump truck when a traffic light turns from red to green. Which law is this?
a)
Law 1
b)
Law 2
c)
Law 3
75.
It is much more difficult to move a dresser full of clothes than an empty dresser.
a)
Law 1
b)
Law 2
c)
Law 3
76.
Which objects have a STRONG force of gravity?
a)
Objects with GREATER mass, like elephants
b)
Objects with LESS mass, like mice
77.
What is the SI unit used to measure force?
a)
pounds
b)
grams
c)
newtons
d)
friction
78.
As distance between two objects increase the pull of gravity
a)
Increases
b)
Decreases
c)
Stays the same
79.
The amount of matter in an object is
a)
pressure
b)
weight
c)
mass
d)
force
80.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
81.
A person would weigh less on on the Moon than on the Earth because . . .
a)
Moon has more mass, and therefore more gravity
b)
Moon has less mass, and therefore more gravity
c)
Moon has more mass, and therefore less gravity
d)
Moon has less mass and therefore less gravity
82.
As mass increases, what happens to gravitational force?
a)
increases
b)
decreases
c)
stays the same
d)
i don't know
83.
What best describes the mass and weight of a person as they move around the universe?
a)
mass and weight changes
b)
Mass and weight stays constant
c)
weight remains constant, mass changes
d)
Mass stays constant, weight changes
84.
Which of the following has the MOST momentum?
a)
rolling ping-pong ball
b)
rolling bowling ball
c)
rolling soccer ball
d)
rolling basketball
85.
Which is the most important factor in an object's momentum?
(2 answers)
a)
shape
b)
mass
c)
velocity
d)
volume
86.
If an object has a velocity of 15 m/s and a momentum of 30 m/s, what is its mass?
a)
450 m/s
b)
2 m/s
c)
4,500 m/s
d)
.5 m/s
87.
If an object has a mass of 20 kg and a velocity of 4 m/s, what is the momentum of the object?
a)
80 kgm/s
b)
4 kgm/s
c)
5 kgm/s
d)
.2 kgm/s
88.
In an elastic collision, ______ is conserved.
a)
Momentum only
b)
Kinetic Energy only
c)
Both momentum and energy
89.
A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball.
a)
55 kg*m/s
b)
100 kg*m/s
c)
250 kg*m/s
d)
500 kg*m/s
90.
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
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