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WorksheetsForce
Total questions: 64
Worksheet time: 1hrs 7mins
Name
Class
Date
1.
What Unit do we Measure Force in?
a)
Newtons
b)
Joules
c)
Force
d)
Don't know
2.
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
3.
With unbalanced forces, the object will move in the direction that the _______ force is being applied.
a)
larger
b)
smaller
c)
equal
4.
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
a)
20N
b)
40N
c)
10N
d)
70N
5.
Which has more Inertia? (so need more force to move)
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
6.
A 20 kg bike accelerates at 10 m/s2. what was the force
a)
25
b)
200 N
c)
20 N
d)
10 N
7.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
8.
A person is pushed forward into their seatbelt when a car stops
a)
1st
b)
2nd
c)
2 and 3
d)
3rd
9.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
10.
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
11.
What can a force do?
a)
all of the above
b)
start a motion
c)
stop a motion
d)
change the direction of the motion
12.
Which law explains why when you put a book on a table the table pushes on the book
a)
3rd law
b)
4th law
c)
1st law
d)
2nd law
13.
friction is a force that acts
a)
in the same direction as the force
b)
opposite to the direction of the force
c)
with the force
d)
towards the direction of the force
14.
What is the name for a push or pull?
a)
A movement
b)
A force
c)
Speed
d)
Density
15.
What is the SI unit for measuring force?
a)
Newtons
b)
Pounds
c)
Carls
d)
Isaacs
16.
The unbalanced force acting on an object equals the object's mass times its acceleration is which law...?
a)
First Law
b)
Second Law
c)
Third Law
d)
Murphy's Law
17.
The formula we get from the second law is...?
a)
F = m*a
b)
v = d/t
c)
a = v/t
d)
f = 1/T
18.
Which statement illustrates Newton’s first law?
a)
A stone will not move unless something pushes or pulls it
b)
As a car comes to a stop, the passengers continue to move forward
c)
A ball rolling across the floor eventually slows down
d)
All of them!
19.
What is the unbalanced force on a boy and his skateboard if the total mass of the boy and skateboard is 62 kg and their acceleration is 0.36 m/s/s forward?
a)
22.32 N
b)
172.2 N
c)
180 N
d)
24 N
20.
All objects in the universe attract each other through gravitation force is called...
a)
The Law of Universal Gravitation
b)
The Law of Conservation of Momentum
c)
The Law of Thermodynamics
d)
The Law of Monty the Snake
21.
The Free Fall acceleration for Earth is or g equals what...?
a)
9.8 m/s/s
b)
10 m/s/s
c)
98 m/s/s
d)
2 m/s/s
22.
The Free Fall acceleration for Earth is or g equals what...?
a)
9.8 m/s/s
b)
10 m/s/s
c)
98 m/s/s
d)
2 m/s/s
23.
A student stands on a scale, and the scale reads 85 Newtons. What is being measured by the scale?
a)
The volume of the student
b)
The mass of the student
c)
The gravity acting on the student
d)
The air pressure on the student
24.
An exploratory robot was sent to the planet Mars. The gravity on Mars is weaker than the gravity on Earth. Compared to the mass and weight of the robot on Earth, the robot on Mars has...
a)
less mass and weight.
b)
less mass but equal weight.
c)
equal mass and weight.
d)
equal mass but less weight.
25.
If the mass of an object on Earth is 18 grams, what would the mass of the same object be on the Moon?
a)
18 g
b)
4 g
c)
0 g
d)
32 g
26.
The force that one surface exerts on another when the two surfaces rub against each other
a)
Speed
b)
Force
c)
Net force
d)
Friction
27.
The force that pulls objects toward each other
a)
Momentum
b)
Gravity
c)
Velocity
d)
Speed
28.
If two forces are in the same direction, they cancel each other out. True or false?
a)
true
b)
false
29.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
30.
Keep in mind F=MA
If you are pushing a 1000 kg car at 0.5 m/s2, how many newtons would that be?
If you are pushing a 1000 kg car at 0.5 m/s2, how many newtons would that be?
a)
2000 N
b)
60N
c)
500 N
d)
12 N
31.
1000 kg is the...
a)
mass
b)
weight
c)
force
d)
acceleration
32.
What is the magnitude (size) and direction of the net force?
a)
21 N to the Left
b)
3 N to the Left
c)
21 N to the Right
d)
3 N to the Right
33.
What is the magnitude (size) and direction of the net force?
a)
10 N to the Right
b)
10 N to the Left
c)
0 N
d)
8 N to the Left
34.
What is the magnitude (size) and direction of the net force?
a)
14 N Down
b)
14 N Up
c)
6 N Up
d)
6 N Down
35.
What is the magnitude (size) and direction of the net force?
a)
15 N to the left
b)
15 N to the right
c)
1 N to the left
d)
1 N to the right
36.
What is the net force needed to accelerate a 66 kg skier at 2 m/sec2?
a)
132 N
b)
33 N
c)
58.8 N
d)
.030 N
37.
A net force of 250 N is applied to an object that accelerates at a rate of 5 m/sec2. What is the mass of the object?
a)
50 kg
b)
245 kg
c)
.02 kg
d)
25.5 kg
38.
Which law is why a shotgun kicks your shoulder when the shell is fired?
a)
Law 1
b)
Law 2
c)
Law 3
39.
Which law explains why it takes more force to move a truck than to move a bike at the same speed?
a)
Law 1
b)
Law 2
c)
Law 3
40.
You push on a tree with 20 N of force. If the tree doesn't move, the tree is pushing back on you with _____of force.
a)
20N
b)
40N
c)
10N
d)
70N
41.
Any time the forces are unbalanced, an object will remain at rest. True or false?
a)
true
b)
false
42.
Pushing a child on a swing is easier than pushing an adult on the same swing.
a)
1st Law
b)
2nd Law
43.
The swimmer moves her hand down and to the left and her body goes forward to the right.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
44.
If an object is stationary (not moving) the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
45.
If these boys 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.
46.
If a ball of cheese is fired into frictionless space, the amount of force needed to keep it going equals
a)
twice the force with which it was fired
b)
the same amount of force with which it was fired
c)
1/2 the force with which it was fired
d)
zero, since no force is requires to keep it moving.
47.
Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron?
a)
feathers
b)
iron
c)
same
d)
depends on their friction
48.
One object has twice as much mass as another object. The first object also has also twice as much...
a)
velocity
b)
gravitational acceleration
c)
inertia
d)
all of these
49.
If a 10 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
50.
If you are an astronaut slowly drifting away from the space station, you might be able to drift back to the station by throwing a 555-kg tool rapidly in the direction that you are traveling (away from the station).Please choose from one of the following options.
a)
True
b)
False
51.
When a large truck pushes a small car with a given force, the small car is applying an equal and opposite force on the truck.
a)
True
b)
False
52.
When air rushes out of a balloon and it moves upward. This is an example of which Law of Motion.
a)
Newton's First Law
b)
Newton's Second Law
c)
Newton's Third Law
53.
A person steps out of the boat and onto the dock. As the person moves forward onto the dock, the boat moves backward. Which statement best describes the backward motion of the boat as the person steps forward?
a)
For every action there is an equal and opposite reaction.
b)
Every mass exerts a force on every other mass.
c)
An object at rest tends to stay at rest.
d)
Friction opposes the motion of an object.
54.
A person in car slides to the right when going through a very sharp left turn on the highway.
a)
1st Law
b)
2nd Law
c)
3rd Law
55.
A crumpled piece of paper hits the ground before a flat sheet of paper because
a)
the acceleration of gravity is greater on the crumpled paper.
b)
there is more air resistance against the flat paper.
c)
the crumpled paper is more massive
d)
the crumpled paper is less massive.
56.
What is friction?
a)
A pull or push
b)
How much matter is in an object
c)
A force that when something rubs against another
d)
Won’t do anything on any object’s motion
57.
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
58.
For every action there is a equal and opposite...
a)
action
b)
movement
c)
re-action
d)
Newtons law of inertia
59.
What law of motion does this picture represent
a)
Newtons law of gravity
b)
Newtons 1st law
c)
Newtons 4th law
d)
Newtons 3rd law
60.
What Newtons law does this picture represent
a)
Newtons 2nd law
b)
Law of gravity
c)
Newtons 1st law
d)
Newtons 5th law
61.
Mass is a measure of an object's inertia. Objects with greater mass have a greater inertia; objects with less mass have less inertia.
a)
true
b)
false
62.
Baseball pushes glove leftwards. What is the re-action
a)
The glove pushes the baseball rightward.
b)
The glove pushes the baseball leftward
c)
It stays still
d)
The glove pushes the baseball upward
63.
When a heavy football player and a light one run into each other, who exerts more force?
a)
The heavy one
b)
The light one
c)
They are equal
d)
there is no such thing as force
64.
If lil Wayne, who is an alien, weighs 578 Newtons on Earth and 96 Newtons on the moon, this means that his...
a)
mass is greater on earth.
b)
mass is greater on the moon.
c)
inertia is greater on earth and less on the moon.
d)
mass is the same on the moon and the earth.
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