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WorksheetsEnergy and Forces Test Review
Total questions: 40
Worksheet time: 30mins
Name
Class
Date
1.
Energy is: ___________________
a)
A Push or a Pull
b)
The ability to cause change
c)
electricity
d)
excitement
2.
A force is: ______________
a)
The ability to cause change
b)
A push or a pull
c)
Something from Star Wars
d)
A force of nature
3.
Kinetic energy is the energy of:
a)
motion
b)
potential
c)
stored energy
d)
gravity
4.
Potential energy is:
a)
motion energy
b)
electromagnetism
c)
stored energy
d)
unknowable
5.
What is the correct equation for calculating potential energy?
a)
PE = mass x height x gravity
b)
PE = mass x acceleration
c)
PE = weight x height
d)
PE = mass x height
6.
If two objects are not touching each other, what type of force is acting between the two?
a)
Contact Force
b)
Noncontact Force
7.
Gravity is considered a:
a)
Contact Force
b)
Noncontact Force
8.
Forces can be combined to create a __________________.
a)
Net Force
b)
Balanced Force
c)
Unbalanced Force
d)
Neutral Force
9.
If a net force is zero, it is said to be:
a)
balanced
b)
unbalanced
c)
skewed
d)
unskewed
10.
If a net force is unbalanced, an object will accelerate in the ____________ of the unbalanced force.
a)
same direction
b)
opposite direction
11.
The tendency of an object to remain at rest or to remain in motion unless acted upon by an outside force is referred to as:
a)
Inertia
b)
Mass
c)
Movement
d)
Acceleration
12.
Which law is synonymous with "Inertia"
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
The Law of Conservation of Energy
13.
In order for acceleration to occur, a ____________ must be applied to an object.
a)
Balanced Force
b)
Unbalanced Force
c)
Neutral Force
d)
Gravitational Force
14.
_________________ describes a resistance between two objects that are touching.
a)
Friction
b)
Gravity
c)
Resistance
d)
Acceleration
15.
__________________ describes a change in speed or direction.
a)
Acceleration
b)
Velocity
c)
Inertia
d)
Unbalanced Force
16.
Which of the following equations represents Newton's 2nd Law?
a)
PE = mxhxg
b)
F = ma
c)
F = a/m
d)
F = m/a
17.
Using Newton's 2nd law, how do you calculate acceleration?
a)
a = F/m
b)
A = m/f
c)
a = fm
d)
a = mf
18.
Using Newton's 2nd law, how do you calculate mass?
a)
m = fxa
b)
m = f/a
c)
m = a/f
d)
m = ma
19.
The higher an object is held, the _________ its potential energy will be.
a)
Greater
b)
Less
c)
Same
20.
As an object falls, what happens to its potential energy?
a)
Increases
b)
Decreases
c)
Remains Unchanged
d)
Changes unpredictably
21.
As an object falls, what happens to its Kinetic Energy?
a)
Increases
b)
Decreases
c)
Remains the Same
d)
Varies randomly
22.
A byproduct of friction is: ______________.
a)
Heat
b)
Lubrication
c)
Speeding Up
d)
Centripetal force
23.
A 21 kg object is accelerated at 3 m/s/s. What force is being applied to cause the acceleration? You have 2 minutes to solve this.
a)
7 N
b)
28 N
c)
1/7 N
d)
63 N
24.
A 200 Newton force is being applied to a 20 kg object. What is the object's acceleration? You have 2 minutes to solve this.
a)
4000 m/s/s
b)
0.1 m/s/s
c)
10 m/s/s
d)
220 m/s/s
25.
A force of 120 N causes an object to accelerate at a rate of 4 m/s/s. What is the object's mass? You have 2 minutes to solve this.
a)
30 kg
b)
480 kg
c)
1/30 kg
d)
124 kg
26.
___________ describes the force of gravity pulling an object down.
a)
Weight
b)
Mass
c)
Vortex
d)
Contact
27.
_________________ describes the total amount of material or "stuff" that an object is made out of.
a)
Weight
b)
Mass
c)
Energy
d)
Vortex
28.
Which law states that "for every action, there is an equal and opposite reaction?"
a)
Law of Conservation of Energy
b)
Newton's 1st Law
c)
Newton's 2nd Law
d)
Newton's 3rd Law
29.
Which of Newton's laws states that an object at rest tends to stay at rest unless acted upon by an outside force?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Law of Conservation of Energy
30.
Which law states that an object in motion tends to stay in motion unless acted upon by an outside force?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Law of Conservation of Energy
31.
Which law states that Force equals mass times acceleration?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
Law of Conservation of Energy
32.
Which law states that energy can neither be created nor destroyed?
a)
Newton's 1st Law
b)
The 2nd Law of Thermodynamics
c)
Newton's 3rd Law
d)
Law of Conservation of Energy
33.
A 20 kg object is held 2 meters off of the ground. What is its potential energy? You have 2 minutes to solve this.
a)
40 Joules
b)
400 Joules
c)
10 Joules
d)
100 Joules
34.
If a 10 kg object has 200 Joules of potential energy, how high off the ground is it? You have 2 minutes to solve this.
a)
20 meters
b)
0.5 meters
c)
50 meters
d)
2 meters
35.
If an object has 50 joules of potential energy and it is held 5 meters off the ground, what is its mass? You have 2 minutes to solve this.
a)
1 kg
b)
10 kg
c)
250 kg
d)
0.1 kg
36.
If two forces are in the same direction, you __________ them when calculating the net force.
a)
Add
b)
Subtract
c)
Multiply
d)
Divide
37.
If two forces are in the opposite direction, you __________ them when calculating the net force.
a)
Add
b)
Subtract
c)
Multiply
d)
Divide
38.
John and Stephen push on a table to the north, EACH with a force of 5 Newtons. Drew pushes on the table to the south with a force of 12 Newtons. What is the net force?
a)
2 Newtons to the North
b)
2 Newtons to the South
c)
7 Newtons to the South
d)
7 Newtons to the North
39.
Jesse and Stephanie pull on a rope to the east with a COMBINED force of 12 N. John and Bridgette pull to the west with a COMBINED force of 15 N. What is the net force?
a)
3 N to the west
b)
3 N to the east
c)
27 N to the west
d)
27 N to the east
40.
Wyatt pushes on a table to the south with a force of 5 N. Alex pushes on the table to the north with a force of 12 N. What is the net force?
a)
7 N to the north
b)
7 N to the south
c)
17 N to the north
d)
17 N to the south
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