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WorksheetsObjects Move and Collide Review
Total questions: 40
Worksheet time: 2hrs 0mins
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.
When forces are _________ the object DOES NOT move.
a)
unbalanced
b)
balanced
c)
heavy
d)
light
10.
Calculate the Net Force.
a)
60N, Left
b)
40N, Right
c)
0N
d)
60N, Right
11.
The force that pulls objects towards Earth.
a)
Gravity
b)
Friction
c)
Inertia
d)
Force
12.
Why does a rolling ball stop?
a)
Gravity
b)
Friction
c)
Waterfalls
d)
Sand
13.
The amount of matter in an object
a)
weight
b)
force
c)
gravity
d)
mass
14.
A measure of how fast something moves over a certain distance is ________________.
a)
motion
b)
speed
c)
work
d)
force
15.
What force holds the planets in motion around the sun?
a)
Magnetic
b)
Electrical
c)
Gravitational
d)
Air Resistance
16.
What does the strength of gravity between two objects depend upon?
a)
Mass & distance
b)
Mass & weight
c)
Gravity & inertia
d)
Inertia & mass
17.
When mass increases then gravity
a)
Decreases
b)
Increases
c)
Stays the same
18.
All objects in the universe have a gravitational attraction to each other.
a)
True
b)
False
19.
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
20.
In which of the following are action and reaction forces involved?
a)
a tennis ball hitting a racket
b)
a person pushing off from a curb
c)
a car tire rotating against pavement
d)
all of these
21.
What is the reaction force for a foot pushing on the floor?
a)
the floor pushing on the foot
b)
friction
c)
Mass
d)
The foot pushing on the floor
22.
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
23.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
a)
Cart 1
b)
Cart 2
c)
Cart 3
d)
Cart 4
24.
Why would one ball travel a greater distance than the other when pushed with the same amount of force?
a)
Different sizes
b)
Different weights
c)
Different masses
d)
Different forces
25.
A bus hits a bug and the bug splatters on the windshield, which force is greater?
a)
The Bus
b)
The Bug
c)
They're the same
d)
Gravity acting on the bus
26.
A bus hits a bug and the bug splatters on the windshield, which acceleration is greater?
a)
The bus
b)
The bug
c)
They are the same
d)
not possible to determine
27.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
28.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
all of the above
29.
__________ is stored energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
30.
Can energy be destroyed?
a)
no
b)
yes
31.
Can energy be changed?
a)
yes
b)
no
32.
What kind of energy is in flowerpot sitting on a windowsill?
a)
Potential
b)
Kinetic
33.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
34.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
35.
Energy can not be created or destroyed, only converted from one form to another.
a)
true
b)
false
36.
At which point is potential energy greatest?
a)
W
b)
X
c)
Y
d)
Z
37.
On a roller coaster, where is maximum kinetic energy?
a)
At the bottom of a big hill
b)
When going around a corner
c)
When going upside down
d)
At the top of a big hill
38.
What are the two factors that affect kinetic energy?
a)
time and energy
b)
power and mass
c)
mass and speed
d)
time and work
39.
What would have the greatest kinetic energy?
a)
A car driving down a hill.
b)
A person running down a hill.
c)
A ball rolling down a hill.
d)
leaves rolling down a hill
40.
Which is an example of potential energy?
a)
a roller coaster speeding down a hill
b)
the pulled back string on an archers's bow
c)
releasing the strings on a guitar
d)
an electric current lighting a light bulb
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