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WorksheetsForces
Total questions: 64
Worksheet time: 2hrs 46mins
Name
Class
Date
1.
What type of force describes the red arrow?
a)
Gravity Force
b)
Friction Force
c)
Driving Force
d)
Air friction resistance Force
2.
Which two forces are equal?
a)
The Force of Gravity and the Normal Force
b)
The applied force and the Force of friction
c)
None
d)
The Force of Gravity and the Motion Force
3.
What is a Force?
a)
The distance
b)
Mass
c)
A push or pull
d)
Give me a failing grade
4.
By looking at the picture, what is the best conclusion?
a)
Gravity, Friction, and Air Resistance are all type of forces
b)
Magnetism is not a force
c)
Electricity is dangerous
d)
Spring Force does not exist
5.
What is friction?
a)
It is a resistance force
b)
Friction does not exist
c)
It is an imaginary force
d)
It is red
6.
By looking at the picture, what is the best conclusion?
a)
Friction is in the same direction as Motion
b)
The Friction force is opposite to the direction of the motion force
c)
Friction does not count
d)
Friction is stronger than motion force because it is red
7.
The best conclusion is...
a)
The airplane is falling dangerously out of the sky
b)
The Thrust is in the same direction as the Dragging force
c)
The Thrust force is OPPOSITE to Drag force
d)
The airplane is taking off
8.
How do you lower the friction force?
a)
By a smooth surface
b)
By a rough surface
c)
By not pushing hard
d)
By pushing down
9.
Forces are usually shown as...
a)
dogs
b)
circles
c)
flashing electricity
d)
arrows
10.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
11.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
12.
What force brings the pencil down?
a)
Applied
b)
Magnetic
c)
Normal
d)
Gravitational
13.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
14.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
15.
Jupiter has about 317 times more mass than Earth. What can you infer from this fact?
a)
That Jupiter’s gravitational force is much weaker than on Earth’s gravitational force.
b)
That Jupiter’s gravitational force is much stronger than Earth’s gravitational force.
c)
That Jupiter’s and Earth’s gravitational forces are equal.
d)
Mass has no effect on the gravitational force between two objects
16.
What is defined as a push or pull?
a)
force
b)
motion
c)
vector
d)
speed
17.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
18.
If the net force is equal to zero, the forces acting on the object are
a)
balanced
b)
unbalanced
19.
Balanced forces do not change the objects speed or
a)
direction
b)
distance
c)
time
d)
mass
20.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
21.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
22.
What is the net force?
a)
5000 N right
b)
4000 N right
c)
40 N left
d)
4000 N left
23.
Jonny and Patty are pushing against a basketball. Both of them push against theball on opposite sides with a force of 20 N to keep the ball still. What is the net force?
a)
400 N
b)
24 N
c)
0 N
d)
40 N
24.
What is the net force in this picture?
a)
50 Newtons to the right
b)
950 Newtons to the right
c)
950 Newtons to the left
d)
50 Newtons to the left
25.
What is it called when the force of gravity is acting on an object?
a)
Weight
b)
Sliding Friction
c)
Momentum
d)
Projectile Motion
26.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
27.
The force that pulls things toward earth.
a)
Speed
b)
Gravity
28.
Which one is balanced?
a)
top
b)
bottom
c)
both
29.
With unbalanced forces, the object will move in the direction of the _______ force.
a)
larger
b)
smaller
c)
equal
d)
cannot be determined
30.
What is the net force?
a)
20 N
b)
0 N
c)
400 N
d)
40 N
31.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
32.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
33.
Balanced or Unbalanced?
a)
Balanced
b)
Unbalanced
34.
A push or pull that causes a change in motion
a)
Friction
b)
Gravity
c)
Force
d)
Mass
35.
Calculate the Net Force.
a)
60N, Left
b)
40N, Right
c)
0N
d)
60N, Right
36.
Calculate the Net Force.
a)
40N, Left
b)
40N, Right
c)
0N, Balanced
d)
75N, Right
37.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
38.
According to Newton's First Law, an object at rest will tend to do which of the following?
a)
stay at rest
b)
stay in motion
c)
speed up
d)
change in direction
39.
According to Newton's First Law, an object in motion will tend to:
a)
stay at rest
b)
stay in motion
c)
change in direction
d)
slow down
40.
Which of the following could cause an acceleration?
a)
A balance between two forces
b)
A balance between three forces
c)
An imbalance between two forces
d)
Zero forces
41.
Fill in the blanks: _____ does not change from place to place, but _____ can change because of differences in the strength of gravitational pull.
a)
acceleration, weight
b)
weight, acceleration
c)
mass, weight
d)
weight, mass
42.
An unbalanced force causes:
a)
change in mass
b)
acceleration
c)
balanced forces
d)
change in time
43.
A rabbit pushes down on a turtle. What is the reaction force?
a)
The turtle pushes down on the ground.
b)
The ground pushes up on the turtle.
c)
The air pushes down on the rabbit.
d)
The turtle pushes up on the rabbit.
44.
A child pulls on a toy with a force of 25 N to the right. Another child pulls the toy with 15 N to the left. The net force is:
a)
1.7 N to the right
b)
1.7 N to the left
c)
10 N to the right
d)
10 N to the left
45.
Gravity pulls an object down with 49 N of force and a rope pulls the object up with 50 N of force. What is the net force?
a)
1 N upward
b)
1 N downward
c)
0.98 N upward
d)
0.98 N downward
46.
A book rests on a table. The normal force points:
a)
Up
b)
Down
c)
Left
d)
Right
47.
The same force acts on a heavy mass and a light mass. Which has a greater acceleration?
a)
The light mass
b)
The heavy mass
c)
They have the same acceleration.
d)
Neither will move.
48.
A baseball bat hits a baseball with a force of 100 Newtons. What is the force and its direction exerted by the ball on the bat?
a)
100 Newtons, same direction
b)
100 Newtons, opposite direction
c)
200 Newtons, same direction
d)
200 Newtons, opposite direction
49.
If the total net force is equal to 2N to the right. How much force is being applied by the student on the far left.
a)
20N
b)
21N
c)
22N
d)
23N
50.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
51.
A cat sitting on couch, a pencil on desk and a car at rest are all example of..
a)
Balanced Force
b)
Unbalanced Force
52.
A car speeding up, a dog slowing down and person turning around the block are examples of..
a)
Balanced Forces
b)
Unbalanced Forces
53.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
54.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
55.
What is Newton's First Law
a)
F=ma
b)
Every action has an equal and opposite reaction
c)
An object at rest stays at rest, an object in motion stays in motion.
d)
Friction
56.
Newton's third law states that any action will have a(n) _______ and ______ reaction
a)
Equal and similar
b)
Equal and opposite
c)
Equal and different
d)
Greater and opposite
57.
This equation goes with which law?
a)
Newton's first law of motion
b)
Newton's second law of motion
c)
Newton's third law of motion
d)
None of these
58.
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?
a)
first
b)
second
c)
third
d)
fourth
59.
A person is pushed forward into their seat belt when a car stops. Which law is this?
a)
1st
b)
2nd
c)
2 and 3
d)
3rd
60.
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
61.
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
62.
Which of Newton's Laws is illustrated with a large mass and a small mass accelerating?
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
63.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)
a)
The one with a mass of .78 kg will have the greatest acceleration.
b)
The one with a mass of .52 kg will have the greatest acceleration.
c)
They will both accelerate at the same rate.
64.
What is the formula for force?
a)
F=M/A
b)
F=A/M
c)
F=M X A
d)
F=M X F
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