WorksheetsForces Pre-Assessment
Total questions: 65
Worksheet time: 56mins
Name
Class
Date
1.
This type of force is when one object pushes or pulls on another object by touching it
a)
contact
b)
gravity
c)
friciton
2.
This type of force is an attraction between two objects
a)
contact
b)
gravity
c)
friction
3.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
4.
If the net force is equal to zero, the forces acting on the object are
a)
balanced
b)
unbalanced
5.
Balanced forces do not change the objects speed or
a)
direction
b)
distance
c)
time
d)
mass
6.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
7.
What is defined as a push or pull?
a)
force
b)
motion
c)
vector
d)
speed
8.
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
9.
The dog's force is?
a)
Applied
b)
Normal
c)
Gravitational
d)
Magnetic
10.
What type of force?
a)
Magnetic
b)
Gravitational
c)
Applied
d)
Normal
11.
What type of force is holding this balloon to the wall?
a)
Applied
b)
Gravitational
c)
Magnetic
d)
Electrical
12.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
13.
What type of force causes these balloons to move toward or away from each other?
a)
Gravitational
b)
Applied
c)
Magnetic
d)
Electrical
14.
All objects in the universe have a gravitational attraction to each other.
a)
True
b)
False
15.
What force brings the pencil down?
a)
Applied
b)
Magnetic
c)
Normal
d)
Gravitational
16.
What force ultimately slows the roller coaster to a stop?
a)
Applied
b)
Normal
c)
Friction
d)
Magnetic
17.
Simon wanted to know if the height of a ramp affected how fast the car went down it. What part of this experiment is Simon's INDEPENDENT (Test) Variable?
a)
height of the ramp
b)
the type of car
c)
the speed of the car
d)
there isn't one
18.
Simon wanted to know if the height of a ramp affected how fast the car went down it. What part of this experiment is Simon's Dependent (Outcome) Variable?
a)
there isn't one
b)
the height of the ramp
c)
the type of car
d)
the speed of the car
19.
An _______ force must act on an object for it to CHANGE it's motion
a)
balanced
b)
unbalanced
c)
gravitational
d)
electrical
20.
What two quantities must I know to calculate something's speed?
a)
time and weight
b)
position and distance
c)
distance and time
d)
distance and speed
21.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
22.
After Simon conducted his experiment he analyzed his data and saw some speeds that were surprising. Why would it be a good idea for Simon to ask his friends to replicate (redo) his experiment?
a)
They can test many more different variables that he did
b)
they can compare their results to Simon's to see if he was accurate
c)
So they can get better results
d)
They wouldn't do that, scientists do repeat other scientists experiments.
23.
What two measurements are necessary for calculating speed?
a)
Mass and time
b)
Temperature and mass
c)
Mass and distance
d)
Distance and time
24.
When mass increases then gravity
a)
Decreases
b)
Increases
c)
Stays the same
25.
A force always produces movement.
a)
True
b)
False
26.
Big and small forces cause different movements.
a)
False
b)
True
27.
A light object...
a)
is easier to move than a heavy one.
b)
is very difficult to move.
c)
is impossible to move.
d)
can move on its own.
28.
A force can change the ________ of things.
a)
weight
b)
speed
c)
colour
d)
size
29.
The bigger the pushing force, the further away and faster the object goes.
a)
True
b)
False
30.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
31.
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.
32.
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.
33.
What is the net force?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
34.
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.
35.
You and your dad are moving the couch from one side to another. Your dad pushes with a force of 35 N to the right and you push with a force of 25 N right. What is the net force on the couch?
a)
60 N right
b)
10 N left
c)
60 n right
d)
50 N left
36.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
37.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
38.
The sum of all forces acting on an object and direction
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
39.
8 N to the left , and 4 N to the right. Find the net force. Is this balanced
a)
12 N Right No
b)
4 N Left No
c)
12 N Right Yes
d)
4 N Left Yes
40.
(T or F?) A balanced force is only an object that is not moving.
a)
True
b)
False
41.
Balanced or Unbalanced?
a)
Balanced
b)
Unbalanced
42.
Are forces balanced or unbalanced when a car is moving at a constant speed in a straight line?
a)
Balanced
b)
Unbalanced
43.
Are forces balanced or unbalanced when skateboarding down a ramp?
a)
Balanced
b)
Unbalanced
44.
Since Force = Mass * Acceleration, how would you manipulate the equation to solve for mass?
a)
mass divided by acceleration
b)
Mass times acceleration
c)
Force divided by acceleration
d)
Equations cannot be manipulated
45.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
46.
Why is it harder for the boy in Image B to get down the hill?
a)
Motion
b)
Friction
c)
Work
d)
Displacement
47.
In the image, which of the person and their bikes will get down a hill faster?
a)
The boy because he is younger
b)
The woman because she is stronger
c)
The boy because he has a greater mass which applies a greater force
d)
The woman because she has more mass and applies a greater force
48.
The picture of the position vs. time graph shows an object that is...
a)
accelerating/speeding up
b)
moving at a constant speed
c)
not moving
d)
accelerating/slowing down.
49.
If you pull the cord, what direction will the box move?
a)
Up
b)
Down
c)
Left
d)
Right
50.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
51.
Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction.
a)
The Law of Inertia
b)
The Law of Acceleration
c)
The Law of Conservation of Momentum
52.
A person not paying attention while skateboarding hits a rock. The skateboard stops...they don't.
a)
The Law of Inertia
b)
The Law of Acceleration
c)
The Law of Conservation of Momentum
53.
I crack an egg on the edge of a bowl. The force applied to the egg is the same as the force applied to the bowl.
a)
Law of Inertia
b)
Law of Acceleration
c)
Law of Conservation of Momentum
54.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more inertia.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
55.
A soccer ball accelerates more than a bowling ball when thrown with the same force.
a)
Law of Inertia
b)
Law of Acceleration
c)
Law of Conservation of Momentum
56.
A football player kicks the ball through the goal posts with their foot and their toes are left stinging.
a)
Law of Inertia
b)
Law of Acceleration
c)
Law of Conservation of Momentum
57.
This person bought coffee and put it on the seat next to them. If they stopped quickly and the coffee spilled which law would that represent?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
58.
When you step on a Lego. You push on the Lego and the Lego pushes back on you.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
59.
"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
60.
Force = Mass x Acceleration
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Newton's 4th Law
61.
"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
62.
The tendency of an object to resist changes in its motion is...
a)
inertia
b)
force
c)
acceleration
d)
velocity
63.
Which of the following is the units for acceleration?
a)
kg*m/sec/sec
b)
kg*m/sec
c)
m/sec/sec
d)
m/sec
64.
The combination of all the forces acting on an object is the...
a)
net force
b)
action force
c)
reaction force
d)
balance force
65.
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
100 %
