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WorksheetsPhysical Science Ch 4-6 Test Review
Total questions: 40
Worksheet time: 1hrs 8mins
Name
Class
Date
1.
What is the name for a push or pull?
a)
A movement
b)
A force
c)
Speed
d)
Density
2.
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
3.
What Unit do we Measure Force in?
a)
Newtons
b)
Joules
c)
grams
d)
pounds
4.
F=Ma
An object of mass 10 kg is accelerated upward at 2 m/s2. What net force is required?
An object of mass 10 kg is accelerated upward at 2 m/s2. What net force is required?
a)
20 N
b)
2 N
c)
5 N
d)
0 N
5.
A 20 kg bike accelerates at 10 m/s2. what was the net force
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
6.
Acceleration is caused by a force acting on a mass.
a)
Newton’s first law of motion
b)
Newton’s second law of motion
c)
Newton’s third law of motion
7.
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
8.
The measure of the pull of gravity on an object is ___________________.
a)
motion
b)
weight
c)
speed
d)
friction
9.
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
10.
The equation that correctly expresses Newton's 2nd law is:
a)
f =m-a
b)
f=m/a
c)
f= a/m
d)
f=m x a
11.
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
12.
A person is pushed forward into their seat belt when a car stops. Which law is this?
a)
1st
b)
2nd
c)
3rd
d)
All of the Above
13.
This equation goes with which law?
a)
Newton's first law of motion
b)
Newton's second law of motion
c)
Newton's third law of motion
d)
None of these
14.
You hit a wall with a stick. The equal but opposite reaction is _____
a)
the wall pushes against you
b)
the stick pushes against you
c)
you push against the stick
d)
the wall pushes against the stick
15.
What unit is used to measure work?
a)
Joules
b)
Newtons
c)
meters
d)
Watts
16.
What unit measures distance?
a)
Joules
b)
Meters
c)
Watts
d)
Newtons
17.
What unit measures Power?
a)
Joules
b)
Watts
c)
Newtons
d)
Meters
18.
This is work divided by time.
a)
Work
b)
Distance
c)
Power
19.
This is force times distance.
a)
Work
b)
Power
20.
Is the work done on an object over a unit of time.
a)
Power
b)
Work
c)
Time
d)
Watt
21.
F=200 N
d=50 m
w=??
d=50 m
w=??
a)
4 J
b)
0.25 J
c)
250 J
d)
10,000 J
22.
You push a shopping cart that has a force of 15N a distance of 40m. How much work did you do?
a)
15 N X 40 M = 600 J
b)
15 N / 40 M = 0.375 J
c)
40 M / 15 N = 2.67 J
23.
In which of these cases is work being done?
a)
A student sleeps
b)
A student pushes a locked door that does not move
c)
a student carries his chair into another room
d)
A student sits on the carpet
24.
You push a chair across the room doing 600 J of work in 30 seconds. How much power was exerted?
a)
18,000 W
b)
20 W
c)
630 W
d)
180 W
25.
What is the unit for mass?
a)
Kilogram (Kg)
b)
Newton (N)
c)
Joule (J)
d)
Watt (W)
26.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
27.
__________ is stored energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
28.
Can energy be destroyed?
a)
no
b)
yes
29.
Can energy be changed?
a)
yes
b)
no
30.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
31.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
32.
What kind of energy is in flowerpot sitting on a windowsill?
a)
Potential
b)
Kinetic
33.
Energy can not be created or destroyed, only converted from one form to another.
a)
true
b)
false
34.
Energy can be _____________ or changed from one type to another.
a)
destroyed
b)
transferred
c)
created
d)
ignored
35.
Energy is measured using which unit?
a)
Grams
b)
Meters
c)
Watts
d)
Joules
36.
Potential energy is found by
a)
weight × height
b)
weight ÷ height
c)
height ÷ weight
d)
weight + height
37.
Can be measured in seconds (s)
a)
Distance
b)
Time
c)
Speed
d)
Acceleration
38.
A 10N ball is sitting on a shelf 2 meters off the ground. How much potential energy does it have?
a)
196 J
b)
20 J
c)
12 J
d)
5 J
39.
A 10 N ball is thrown through the air at a speed of 3 m/s. How much kinetic energy does it have?
a)
30 J
b)
90 J
c)
15 J
d)
45 J
40.
Kinetic Energy is found by
a)
mass × velocity
b)
½ x mass x velocity
c)
½ x mass x velocity²
d)
mass × velocity²
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