WorksheetsPhysical Science - Chapter 12
Total questions: 99
Worksheet time: 1hrs 27mins
Name
Class
Date
1.
a)
1st
b)
2nd
c)
3rd
2.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
3.
a)
1st
b)
2nd
c)
3rd
4.
a)
1st
b)
2nd
c)
3rd
5.
a)
1st
b)
2nd
c)
3rd
6.
a)
1st
b)
2nd
c)
3rd
7.
a)
1st
b)
2nd
c)
3rd
8.
a)
1st
b)
2nd
c)
3rd
9.
Object at rest stays at rest.
a)
1st
b)
2nd
c)
3rd
10.
F = MxA
a)
1st
b)
2nd
c)
3rd
11.
Acceleration is due to a force put on an objects mass.
a)
1st
b)
2nd
c)
3rd
12.
Action/Reaction
a)
1st
b)
2nd
c)
3rd
13.
Equal and Opposite
a)
1st
b)
2nd
c)
3rd
14.
Objects tendency to resist change
a)
Friction
b)
Inertia
c)
Force
d)
Gravity
15.
Force exerted between the surfaces of two objects.
a)
Friction
b)
Inertia
c)
Force
d)
Gravity
16.
Push or Pull
a)
Friction
b)
Inertia
c)
Force
d)
Gravity
17.
Objects attraction to one another - like us to earth.
a)
Friction
b)
Inertia
c)
Force
d)
Gravity
18.
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
19.
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
20.
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
21.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more mass and requires more force to accelerate.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
22.
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
23.
A student leaves a pencil on a desk and the pencil stays in the same spot until another student picks it up.
a)
Law of Inertia
b)
Law of Acceleration
c)
Law of Conservation of Momentum
24.
When an unbalanced force acts on an object, the force ______________________.
a)
changes the motion of the object
b)
is cancelled by another force
c)
does not change the motion of an object
d)
is equal to the weight of the object
25.
When two equal forces act in opposite directions on an object, they are called ______________________.
a)
frictional force
b)
balanced force
c)
centripetal force
d)
gravitational force
26.
The resistance of an object to any change in its motion is called ______________________.
a)
inertia
b)
friction
c)
gravity
d)
weight
27.
According to Newton’s second law of motion, force is equal to mass times ______________________.
a)
inertia
b)
weight
c)
acceleration
d)
direction
28.
What law is best described by inertia?
a)
1st
b)
2nd
c)
3rd
29.
What Unit do we Measure Force in?
a)
Newtons
b)
Joules
c)
Force
d)
Don't know
30.
45 m/s2 is the...
a)
Mass
b)
Force
c)
Acceleration
d)
weight
31.
Which of Newton's laws is illustrated when a magician pulls a tablecloth out from under the dishes without disturbing them?
a)
first
b)
second
c)
third
d)
fourth
32.
With unbalanced forces, the object will move in the direction that the _______ force is being applied.
a)
larger
b)
smaller
c)
equal
33.
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
34.
Which has more Inertia? (so need more force to move)
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
35.
A 20 kg bike accelerates at 10 m/s2. what was the force
a)
25
b)
200 N
c)
20 N
d)
10 N
36.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
37.
A person is pushed forward into their seatbelt when a car stops
a)
1st
b)
2nd
c)
2 and 3
d)
3rd
38.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
39.
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
40.
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
41.
Which law explains why when you put a book on a table the table pushes on the book
a)
3rd law
b)
4th law
c)
1st law
d)
2nd law
42.
formula for acceleration is
a)
Mass X speed
b)
distance divided by time
c)
change in velocity divided by time
d)
mass x acceleration
43.
friction is a force that acts
a)
in the same direction as the force
b)
opposite to the direction of the force
c)
with the force
d)
towards the direction of the force
44.
Which type of force(s) will cause a change in an object's motion?
a)
gravity
b)
zero net force
c)
balanced forces
d)
unbalanced forces
45.
An automobile you are riding in suddenly stops, but you continue to go forward.
a)
Newton's
1st
Law of Motion
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
3rd
Law of Motion
46.
When the force on a car is doubled, the acceleration is doubled.
a)
Newton's
1st
Law of Motion
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
3rd
Law of Motion
47.
A rocket in outer space continues to move.
a)
Newton's
1st
Law of Motion
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
3rd
Law of Motion
48.
A magician pulls a table cloth from under a table of dishes.
a)
Newton's
1st
Law of Motion
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
3rd
Law of Motion
49.
A skater pushes another skater forward, but the one pushing moves backwards.
a)
Newton's
1st
Law of Motion
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
3rd
Law of Motion
50.
The harder you hit a baseball, the faster it accelerates.
a)
Newton's
1st
Law of Motion
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
3rd
Law of Motion
51.
You push against a wall and the wall is pushing back on you.
a)
Newton's
1st
Law of Motion
1st
Law of Motion
b)
Newton's
2nd
Law of Motion
2nd
Law of Motion
c)
Newton's
3rd
Law of Motion
3rd
Law of Motion
52.
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.
53.
Balanced or Unbalanced?
a)
Balanced
b)
Unbalanced
54.
What is the net force?
a)
400 N Up
b)
400 N Down
c)
- 400 N Down
d)
800 N Down
55.
If an object was accelerating at 10 m/s2, and a force of 10 newtons was required to accelerate it, what was the object's mass?
a)
1 kilogram
b)
10 kilograms
c)
2 kilograms
d)
5 kilograms
56.
If a 10 kilogram object accelerates suddenly at 15 m/s2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
57.
It takes 20 N of force to move a box a distance of 10 m. How much work is done on the box in Joules?
a)
200 J
b)
20.0J
c)
100 J
d)
10 J
58.
Which has more Inertia? (so need more force to move)
a)
Truck
b)
Ant
c)
A cat
d)
A skateboard
59.
Who is the scientist who came up with the Laws of Motion?
a)
Sir Issac Newton
b)
The Greeks
c)
John Dalton
d)
Sir John Newt
60.
What Newtons law does this picture represent
a)
Newtons 2nd law
b)
Law of gravity
c)
Newtons 1st law
d)
Newtons 5th law
61.
On a distance-versus-time graph, a straight line ALWAYS indicates that an object’s speed is _____.
a)
constant
b)
zero
c)
increasing
d)
decreasing
62.
When something has speed in a certain direction it is called ___________.
a)
motion
b)
position
c)
velocity
d)
speed
63.
Acceleration of an object happens when things ________
a)
slow down
b)
go faster
c)
change direction (turn)
d)
All of the above
64.
LT4: The graph shows Ashley riding her bike to Maria's house.
What is occurring from point A to point B?
What is occurring from point A to point B?
a)
they are traveling at a constant speed
b)
they are decreasing in speed
c)
they stopped to take a break
65.
LT4: The graph shows Ashley riding her bike to Maria's house.
What was occurring from point B to point C?
What was occurring from point B to point C?
a)
She was increasing her speed.
b)
She stopped for 4 minutes
c)
She was decreasing in speed
66.
Pushing a child on a swing is easier than pushing an adult on the same swing.
a)
1st Law
b)
2nd Law
67.
What is the force applied to all objects on Earth?
a)
Earthquakes
b)
Gravity
68.
____ is the rubbing force that acts against motion between two touching surfaces.
a)
Acceleration
b)
Normal force
c)
Momentum
d)
Friction
69.
The momentum of an object depends upon the object's ___________&_____________.
a)
size and shape
b)
mass and speed
c)
mass and veloctiy
d)
mass and energy
70.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
71.
Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?
a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
72.
Determine the momentum of 1000-kg car moving southward at 20 m/s.........
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s south
d)
10000 kg * m/s south
73.
A runner has a momentum of 720 kg m/s and is traveling at a velocity of 5 m/s. What is his mass?
a)
14.4 kg
b)
1400 kg
c)
144 kg
d)
360 kg
74.
A 2 kg cart has a momentum of 10 kg m/s. What is its velocity?
a)
22 m/s
b)
.2 m/s
c)
5.0 m/s
d)
20 m/s
75.
An object with a mass of 2000 kg at rest has what momentum?
a)
2000 kg m/sec
b)
0 kg m/sec
c)
2000 kg
d)
2000 m/sec
76.
A 0.250 kg cart moving at 0.500 m/s has how much momentum?
a)
0.5 kg*m/s
b)
.125 kg*m/s
c)
12.5 kg*m/s
d)
10 kg*m/s
77.
A 2.5 kg ball moving at 5 m/s collides with a 2.5 kg stationary ball in a perfectly elastic collision. What is the velocity of the second ball after the collision?
a)
5 m/s
b)
2.5 m/s
c)
10 m/s
d)
7.5 m/s
78.
A 9300 kg railroad car traveling at a velocity of 5 m/s strikes a second boxcar that weighs 5000 kg at rest. At what speed will the second boxcar move?
a)
18.6 m/s
b)
9.3 m/s
c)
7.5 m/s
d)
1.86 m/s
79.
A .030 kg bullet is fired from a gun with a speed of 350 m/s. If the gun has a mass of 0.9 kg, What is the recoil speed of the gun?
a)
11.7 m/s
b)
9.0 m/s
c)
10.5 m/s
d)
10 m/s
80.
A 9 kg blob moving at 5 m/s collides and sticks to a second blob with a mass of 5 kg. If the two bobs stick together, what will the velocity of the two blobs move at?
a)
3.57 m/s
b)
3.2 m/s
c)
10.0 m/s
d)
9.0 m/s
81.
When the speed of an object is doubled, its momentum
a)
remains unchanged in accord with the conservation of momentum.
b)
doubles
c)
quadruples
d)
decreases
82.
Momentum is a ____________________ quantity
a)
science
b)
scalar
c)
vector
d)
energy
83.
A boy kicks a football with a force of 20 N, the time the force acts for is 0.3 s.
Calculate the impulse on the ball.
Calculate the impulse on the ball.
a)
1 N*s
b)
6 N*s
c)
33.3 N*s
d)
None of these
84.
In any collision (crash) the ______ is ALWAYS constant
a)
Total Momentum
b)
total speed
c)
total Velocity
d)
Energy
85.
How can a tennis ball and a bowling ball have the same momentum?
a)
have the same speed
b)
have different speeds
c)
one is moving backwards
d)
they can't
86.
T/F: A big truck will always have more momentum than a small car.
a)
True
b)
False
87.
When two objects collide, the Pbefore is ____________ the Pafter.
a)
more than
b)
less than
c)
equal to
d)
unrelated to
88.
Which of the following has more momentum?
a)
a small truck traveling at 40mph
b)
a large truck traveling at 40mph
c)
more information is needed
89.
Which of the following has the greatest momentum?
a)
a scurrying cockroach
b)
a parked semi-truck
c)
more information is needed
90.
Which of the following has more momentum?
a)
a moving SUV
b)
a moving semi-truck
c)
more information is needed
91.
Which of the following is NOT a unit of momentum?
a)
kg*m/s
b)
N*s
c)
kg*mph
d)
kg*m/s2
92.
If a net force is acting on an object,
a)
its velocity must be constant
b)
its velocity must be changing
c)
its mass must be changing
d)
its acceleration = 0
93.
A 50 kg ball rolls down the street at 5 m/s. Calculate the momentum of the ball.
a)
55 kg*m/s
b)
100 kg*m/s
c)
250 kg*m/s
d)
500 kg*m/s
94.
What happens to the speed of the wagon as the rain collects inside of it?
a)
it decreases
b)
it remains constant
c)
it increases
95.
Which has more momentum: a car stopped at a red light or a bike moving at 15 mph?
a)
car
b)
bike
c)
they are equal
d)
cannot determine using the info provided
96.
Determine the momentum of 1000-kg car moving southward at 20 m/s.........
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s south
d)
10000 kg * m/s south
97.
A 2 kg cart has a momentum of 10 kg m/s. What is its velocity?
a)
22 m/s
b)
.2 m/s
c)
5.0 m/s
d)
20 m/s
98.
A 0.250 kg cart moving at 0.500 m/s has how much momentum?
a)
0.5 kg*m/s
b)
.125 kg*m/s
c)
12.5 kg*m/s
d)
10 kg*m/s
99.
A 9300 kg railroad car traveling at a velocity of 5 m/s strikes a second boxcar that weighs 5000 kg at rest. At what speed will the second boxcar move?
a)
18.6 m/s
b)
9.3 m/s
c)
7.5 m/s
d)
1.86 m/s
100 %
