WorksheetsForces and Newton's Laws
Total questions: 40
Worksheet time: 36mins
Name
Class
Date
1.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
2.
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 in both directions.
3.
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.
4.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
5.
The sum of all forces acting on an object and direction
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
6.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
7.
(T or F?) A balanced force is only an object that is not moving.
a)
True
b)
False
8.
Are forces balanced or unbalanced when a marble rolls down a ramp?
a)
Balanced
b)
Unbalanced
9.
When mass increases then gravity
a)
Decreases
b)
Increases
c)
Stays the same
10.
The dog's force is?
a)
Applied
b)
Normal
c)
Gravitational
d)
Magnetic
11.
What type of force?
a)
Magnetic
b)
Gravitational
c)
Applied
d)
Normal
12.
What type of force is holding this balloon to the wall?
a)
Applied
b)
Gravitational
c)
Magnetic
d)
Electrical
13.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
14.
What type of force causes these balloons to move toward or away from each other?
a)
Gravitational
b)
Applied
c)
Magnetic
d)
Electrical
15.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
16.
All objects in the universe have a gravitational attraction to each other.
a)
True
b)
False
17.
What force brings the pencil down?
a)
Applied
b)
Magnetic
c)
Normal
d)
Gravitational
18.
Which has more gravitational force acting upon it?
a)
a bus
b)
a train
c)
a car
d)
a person
19.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
20.
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
21.
What is defined as a push or pull?
a)
force
b)
motion
c)
vector
d)
speed
22.
This type of force is when one object pushes or pulls on another object by touching it
a)
contact
b)
gravity
c)
friciton
23.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
24.
for every action there is...
a)
An equal and opposite reaction
b)
An equal and different reaction
c)
a different force
d)
two more forces
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.
Imagine you travel to another planets. What will change as you walk around the surface of the planet- your mass or your weight?
a)
Mass
b)
Weight
c)
Both
d)
Neither
27.
This is a rocket.The rocket pushes the fuel down.What is the other force in this interaction pair?
a)
The fuel pulls the rocket up.
b)
The fuel pushes the rocket up.
c)
The rocket pulls the earth up.
d)
The earth pulls the rocket down.
28.
On the Picture the balloon pushes the air right and the balloon goes left. Which of Newton's Laws is this?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
29.
One object has twice as much mass as another object. The first object also has twice as much...
a)
velocity
b)
gravitational acceleration
c)
inertia
d)
all of these
30.
A book rests on a table. The force of gravity pulls down on the book with a force of 20 newtons. What prevents the books from accelerating downward at 9.8 m/sec2
a)
The table presses back up on the book with an equal and opposite force of 20 newtons.
b)
The table presses back up on the book with a force greater than 20 newtons.
c)
The table and the book together are accelerating downwards at 9.8 m/sec2
d)
The inertia of the book holds it up
31.
In a normal environment, why does a bowling ball and feather hit the ground at different times when dropped from the same height?
a)
They don't; they hit the ground at the same time.
b)
One is more dense than the other.
c)
One is heavier than the other.
d)
Air resistance
32.
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
33.
Inertia is the tendency of an object to resist a change in its ___________.
a)
temperature
b)
shape
c)
size
d)
motion
34.
Which is Newtons second law
a)
Force is equal to an objects mass times its velocity
b)
an object in motion stays in motion or an object at rest stays at rest unless acted on by an outside force.
c)
law of inertia
d)
For every action there is an equal and opposite reaction
35.
45 m/s2 is the...
a)
Mass
b)
Force
c)
Acceleration
d)
weight
36.
What is the scientific unit used to measure weight?
a)
grams
b)
Liters
c)
pounds
d)
newtons
37.
F=MA
Going down a hill a 12 kg sled has a force of 36 N. What is it's acceleration?
Going down a hill a 12 kg sled has a force of 36 N. What is it's acceleration?
a)
2 m/s2
b)
3 m/s2
c)
I don't know
d)
What?
38.
If you slide a hockey puck on ice, eventually it will stop because of the friction of the ice. This is an example of which Law of Motion.
a)
Newton's First Law
b)
Newton's Second Law
c)
Newton's Third Law
39.
A person not wearing a seat belt flies through a car window when someone slams on the breaks because the person’s body wants to remain in continuous motion even when the car stops.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
40.
According to Newton's Third Law of Motion, when a hammer strikes and exerts a force on a nail, the nail
a)
disappears into the wood
b)
moves at a constant speed
c)
exerts an equal and opposite force back on the hammer
d)
creates a balanced force
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