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WorksheetsCh. 3 - Forces and Newton's Laws
Total questions: 105
Worksheet time: 1hrs 14mins
Name
Class
Date
1.
What is the net force?
a)
20 N
b)
0 N
c)
400 N
d)
40 N
2.
What is the unit to MEASURE force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
3.
A ____________ is a push or a pull on an object.
a)
friction
b)
force
c)
magnet
d)
gravity
4.
What is the net force?
a)
30 N
b)
25 N
c)
5 N
d)
55 N
5.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
6.
If these teams are pulling with the same amount of force what will happen?
a)
The boy in blue will win.
b)
They will not move at all.
c)
The boy in red will win.
d)
Both will fall down.
7.
Forces that have a net force of zero
a)
Balanced force
b)
Unbalanced force
8.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
9.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
10.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
11.
Calculate the Net Force.
a)
60N, Left
b)
40N, Right
c)
0N
d)
60N, Right
12.
Which could be an example of an unbalanced force?
a)
A plate sitting on a dining table
b)
A ball at the top of a hill that is not moving
c)
Earth orbiting the Sun
d)
A baseball that has been thrown to home plate.
13.
Which has more gravitational force acting upon it?
a)
a bus
b)
a train
c)
a car
d)
a person
14.
Why is person B having a hard time moving down the hill?
a)
Person B has more friction than person A.
b)
Person B has the same friction as person A.
c)
Person B is out of shape.
d)
Person B has less friction has person A.
15.
A force that slows or stops motion when objects rub together.
a)
Friction
b)
Push
c)
Pull
d)
Magnetism
16.
The force that pulls things toward earth.
a)
Speed
b)
Gravity
17.
How are velocity and force similar.
a)
both are described by the grams they act in.
b)
both are described by the distance they act in.
c)
both are described by the speed they act in.
d)
both are described by the direction they act in.
18.
What famous scientist was the SI units of Force named after?
a)
Isaac Newton
b)
Galileo Galilei
c)
Albert Einstein
d)
Charles Darwin
19.
True or False: The larger the arrow the more the net force.
a)
True
b)
False
20.
Wheels on a skateboard most likely experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
21.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
22.
Wheels of a shopping cart experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
23.
Friction is a force that acts in an ___________ direction of movement.
a)
similar
b)
opposite
c)
parallel
d)
west
24.
Objects balanced on Timmy's head experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
25.
Which type of friction occurs when objects are not moving?
a)
static
b)
sliding
c)
fluid
d)
rolling
26.
A type of friction that occurs when air pushes against a moving object causing it to negatively accelerate
a)
surface area
b)
air resistance
c)
descent velocity
d)
gravity
27.
Which of the following is an example of friction that is helpful?
a)
Brakes used on a bike
b)
Tires from a car on the road
c)
Tread on the bottom of your shoes
d)
All are examples that are helpful
28.
How can friction be reduced?
a)
reduce the force acting between the 2 surfaces
b)
reduce the roughness of the 2 surfaces coming in contact
c)
use wax, grease or oil
d)
all of the above are ways of reducing friction
29.
What does friction produce?
a)
light
b)
sound
c)
heat
d)
gravity
30.
Which of the following is an example of friction that is harmful?
a)
Pencil marking on paper
b)
Engine parts wearing out
c)
sand placed on ice in the winter
d)
Using an eraser to erase marks
31.
What is the "bumpy" surface called in friction?
a)
shaky
b)
microweld
c)
atomic stickyness
d)
reprobates
32.
Bumps on two surfaces that are touching.
a)
Energy
b)
Air Resistance
c)
Momentum
d)
Microwelds
33.
Gravity attracts all objects towards one another.
a)
False
b)
True
c)
It depends
34.
Any object with mass has gravity.
a)
True
b)
Sometimes
c)
False
d)
Never
35.
The force of gravity acting on an object is the object's ______.
a)
mass
b)
matter
c)
weight
d)
friction
36.
The law of universal gravitation is credited to whom?
a)
Einstein
b)
Galileo
c)
Darwin
d)
Newton
37.
Which of the following never changes no matter where in the universe?
a)
weight
b)
force
c)
mass
d)
pounds
38.
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
39.
Two factors effecting the magnitude of the force of gravity between 2 objects are...
a)
mass and distance
b)
mass and matter
c)
distance and weight
d)
weight and mass
40.
If Earth's mass was cut in half, what would happen to your weight?
a)
Increase because gravitational force increases
b)
decrease because gravitational force decreases
c)
decrease because gravitational force increases
d)
nothing, weight is not affected by gravitational force
41.
What does this tool measure?
a)
weight
b)
meters
c)
mass
d)
force
42.
What is the value of g on Earth?
a)
9.81 m/s^2
b)
9.81 N
c)
9.81 m
d)
9.81 s/m^2
43.
As distance separating the objects increases the force
a)
increases
b)
decreases
c)
stays the same
44.
Two asteroids exert a gravitational force, F, on each other. Some time later, the asteroids are now three times as far from each other as before. Which of the following represents the gravitational force at this distance?
a)
F/3
b)
F/2
c)
F/6
d)
F/9
45.
You swing a bucket of water attached to a string in a circle above your head. What keeps the water in the bucket?
a)
Friction
b)
Centripetal Force
c)
Gravity
d)
Inertia
46.
As this ride starts to spin in a circular motion the swings move outward. What is the cause of this outward motion
a)
Gravity
b)
Centripetal Force
c)
Speed
d)
Inertia
47.
If centripetal force stopped acting on all satellites they would continue traveling in space in a constant direction and constant speed.
a)
True
b)
False
48.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
49.
"For every action, there is an equal and opposite reaction."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
50.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
51.
"An object in motion (or at rest) will to stay in motion (or at rest) until an outside force acts upon it."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
52.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
53.
A force that opposes motion between a surface in contact with the atmosphere.
a)
air resistance
b)
gravity
c)
momentum
d)
terminal velocity
54.
An archer pulls the bowstring back, then releases the string and the arrow flies forward. Pulling the string back is the...
a)
action force
b)
reaction force
c)
net force
d)
inertia
55.
An archer pulls the bowstring back, then releases the string and the arrow flies forward. The arrow flying forward is the...
a)
action force
b)
reaction force
c)
net force
d)
inertia
56.
The net force on a ball thrown in outer space is... (you are no longer touching the ball)
a)
there is none
b)
forward
c)
down and backward
d)
forward and down
57.
The net force on a ball thrown on Earth is... (you are no longer touching the ball)
a)
there is none
b)
forward
c)
down and backward
d)
forward and down
58.
Mass x acceleration = ?
a)
force
b)
inertia
c)
momentum
d)
velocity
59.
A 10 lb. bowling ball hits a stationary 20 lb. bowling ball. Which of the following is not true about the 2nd ball?
a)
will have unbalanced forces acting on it
b)
move twice as fast as the original ball
c)
not move unless there is enough force to overcome its inertia
d)
take on the momentum of the original ball
60.
In the picture, the vehicle will move because of...
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 9th Law
61.
In the picture, the blocks are flying out of the truck based on which of Newton's laws?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 6th Law
62.
To compare the two pictures would require...
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 11th Law
63.
Velocity is both ____ and _____.
a)
speed , direction
b)
direction, mass
c)
volume, density
d)
direction, magnitude
64.
An object is falling downward through Earth's atmosphere. In which direction is the air resistance force?
a)
Down
b)
Up
c)
Around the object
d)
Through the object
65.
Look at the pictures of the cars. Which car will have the most air resistance force acting upon it? They will be moving at the same speed.
a)
b)
c)
d)
All will have equal air resistance force.
66.
The acceleration of objects falling on Earth due to gravity is
a)
9.8 m/s
b)
9.8 m/s2
c)
9.8 g/mL
d)
9.8 g/m/m
67.
A girl drops a 7 gram bowling ball and a 1gram rock from a cliff. Which will hit the ground first?
a)
Bowling Ball
b)
Rock
c)
Ignoring air resistance, both will hit at the same time.
d)
The cliff
68.
What does it mean for an object to be in free fall?
a)
Only air resistance acting on the object.
b)
Gravity is the only force acting on the obejct.
c)
Any object that is in downward motion.
69.
Which would hit the ground first if dropped from the same height in a vacuum—a feather or a metal bolt?
a)
the feather
b)
the metal bolt
c)
They would hit the ground at the same time.
d)
They would be suspended in a vacuum.
70.
A crumpled piece of paper hits the ground before a flat sheet of paper because
a)
a. the acceleration of gravity is greater on the crumpled paper.
b)
b. there is more air resistance against the flat paper.
c)
c. the crumpled paper is more massive.
d)
d. the
crumpled paper is less massive.
71.
In a collision, momentum is
a)
created
b)
lost
c)
conserved
72.
Who are they?
a)
Boy Genius, Dexter
b)
Laboratory of Dexter
c)
Dexter's laboratory
d)
Dexter, boy genius
73.
Who is he?
a)
Jonny Bravo
b)
Jhony Bravo
c)
Jhonny Bravo
d)
Johnny Bravo
74.
Who are they?
a)
Pownderpuff Girls
b)
Ponderpuff Girls
c)
Powderpuff Girls
d)
Powerpuff Girls
75.
Who are they?
a)
Stone & quackers
b)
Max & Ruby
c)
Ren & Stimpy
d)
Marty & Exotic
76.
Who are they?
a)
Count Von Count
b)
Count Duckula
c)
Count Dooku
d)
Count Spankulot
77.
Who are they?
a)
Paddington
b)
Frozen
c)
Sing
d)
Zootopia
78.
Who are they?
a)
Johnny Test
b)
Chhota Bheem
c)
Angry beavers
d)
Hey Arnold!
79.
Who are they?
a)
Billy and Mandy
b)
Sids and Stars
c)
Chips and Grapes
d)
Buttons and Mindy
80.
Who is this?
a)
Dogcat
b)
Catdogs
c)
Catdog
d)
Dogcats
81.
Who is he?
a)
Erik Per Sullivan
b)
Alessa Ross
c)
Justin Berfield
d)
Frankie Muniz
82.
Who are they?
a)
Shelby Marx
b)
Victorious
c)
i Carly
d)
Every witch way
83.
Who is he?
a)
Walter Nichols
b)
Josh Peck
c)
Drake Parker
d)
Crazy Steve
84.
Who are they?
a)
Boygenius
b)
Carl Wheezer
c)
Jimmy Neutron
d)
Sheen Estevez
85.
Who is he?
a)
Spongebob nudie pants
b)
Bob nudie pants
c)
Bob square pants
d)
Spongebob square pants
86.
Who are they?
a)
The fairly oddparents!
b)
The fairly godparents!
c)
The fairly godfathers!
d)
The fairly godfatthers
87.
Who are they?
a)
Hollywood heights
b)
The O.C.
c)
VIctorious
d)
i Carly
88.
Who is he?
a)
Supernatural
b)
Teen wolf
c)
Vampire's diaries
d)
Teen titan
89.
Who is he?
a)
Timmy Turner
b)
Danny Phantom
c)
Ghostboy
d)
Ghostie
90.
Who are they?
a)
Zoey 102
b)
Victorious
c)
Zoey 101
d)
i Carly
91.
Who is she?
a)
Nicole
b)
Stacey
c)
Queen
d)
Cat
92.
Who are they?
a)
Ruttas
b)
Rurats
c)
Ruggrats
d)
Rugrats
93.
Who is he?
a)
Raphael
b)
Donatello
c)
Michelangelo
d)
Leonard
94.
Who is he?
a)
Dan Rivera the panther
b)
The tiger Manny Rivera
c)
Danny Rivera the tiger
d)
Dan Rivera the tiger
95.
Who are they?
a)
Kaablam
b)
Kablaam
c)
Kabblam
d)
Kablam
96.
Who are they?
a)
Rocko's modern live
b)
Rocko's modern lives
c)
Rocko's modern life
d)
Rocko's modern lifes
97.
Who is she?
a)
Mayty B
b)
Maytie B
c)
Migty B
d)
Mighty B
98.
Who is he?
a)
Courage the dog
b)
Courage the cowardly dog
c)
Courageous the dog
d)
Courageous the cowardly dog
99.
Who are they?
a)
Heartbreak high
b)
South of Nowhere
c)
Modern family
d)
Friday Night Lights
100.
You swing a bucket of water attached to a string in a circle above your head. What keeps the water in the bucket?
a)
Friction
b)
Centripetal Force
c)
Gravity
d)
Inertia
101.
At point P, he car hits an area of ice and loses all frictional force on it tires. Which path does the car follow on the ice?
a)
A
b)
B
c)
C
d)
D
102.
A curved groove is place on the top of a level table as shown in the diagram. A ball is pushed in the groove at P so that it leaves at Q. Which picture shows how the ball will move when it leaves the groove at Q?
a)
b)
c)
d)
103.
At the instant shown in the diagram, the car's centripetal acceleration is directed-
a)
toward E
b)
toward N
c)
toward W
d)
clockwise
104.
The centripetal acceleration of the car at the position shown is directed toward point...
a)
A
b)
B
c)
C
d)
D
105.
The force that is necessary to keep the bucket swinging in a circle is called the:
a)
tangential velocity
b)
centrifugal force
c)
centripetal force
d)
the force of gravity
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