WorksheetsChapter 11 and 12
Total questions: 61
Worksheet time: 43mins
Name
Class
Date
1.
What is a PUSH or PULL of an object?
a)
Motion
b)
Force
c)
Friction
d)
Gravity
2.
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
3.
Which force produces a change in motion?
a)
unbalanced force
b)
balanced force
c)
gravitational force
d)
frictional force
4.
What pulls a ball back to earth?
a)
Gas
b)
Gravity
c)
Friction
d)
Molecules
5.
What is the standard unit force is measured in?
a)
Newtons
b)
pounds
c)
grams
d)
meters
6.
A distance vs. time graph shows an object's
a)
frame of reference
b)
speed
c)
acceleration
d)
favorite food
7.
LT2: Grayson walks 5 meters in 5 seconds. What is his average speed?
a)
25 m/sec
b)
1 m/sec
c)
5 m/sec
d)
.25 m/sec
8.
Speed =
a)
distance / time
b)
time / distance
c)
distance * time
9.
The rate at which velocity changes is called
a)
motion
b)
average speed
c)
instantaneous speed
d)
acceleration
10.
What is the SI unit for acceleration?
a)
m/s
b)
m
c)
m/s2
d)
s
11.
What is the SI unit for speed
a)
Km
b)
s
c)
m/s
d)
m/s2
12.
The formula:
? = D/T with direction
is used to find
? = D/T with direction
is used to find
a)
Velocity
b)
Speed
c)
Force
d)
Acceleration
13.
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
14.
Which one needs a greater net force to move, a kilogram of feathers or a kilogram of iron?
a)
feathers
b)
iron
c)
same
d)
depends on their friction
15.
Which law best describes- A satellite orbiting the earth.
a)
Law of Inertia
b)
Law of Mass and Acceleration
c)
Law of Action Reaction
16.
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
17.
Which best explains why we are able to accelerate forward when starting to run?
a)
As one leg moves backward, it provides an equal and opposite force for the other foot to move forward.
b)
No acceleration takes place. Runners are always at a fixed velocity.
c)
The striking foot pushes backward against the ground. The friction with the ground provides an equal and opposite force forward.
d)
The runner's upper body quickly leans forward, causing the entire body to begin accelerating forward
18.
Acceleration is
a)
increasing speed
b)
decreasing speed
c)
changing direction
d)
all of the above
19.
Which of these is an example of negative acceleration, or deceleration?
a)
a bird taking off for flight
b)
a roller coaster moving down a steep hill
c)
a car approaching a red light
d)
an airplane following a straight flight path
20.
Which is an example of Newton's third law about action and reaction forces?
a)
A rocket takes off from the ground
b)
A book slides forward when the car stops
c)
A heavier ball falls at the same speed as a lighter ball
d)
A vehicle will slow down as it curves
21.
The rate of acceleration of an object is determined by the mass of an object and
a)
The initial speed of the object
b)
the forces acting on the object
c)
the direction of movement
d)
the change in the kinetic energy of the object
22.
The tendency of an object to stay in motion or at rest is called
a)
velocity
b)
acceleration
c)
speed
d)
inertia
23.
If the net force is equal to zero, the forces acting on the object are
a)
balanced
b)
unbalanced
24.
F=ma
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
25.
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
26.
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
27.
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
28.
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
29.
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
30.
You step from a boat to a dock. The boat moves backwards as you move forwards and you fall in the water.
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
31.
You push against the floor when you walk and the floor pushes 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
32.
You slide towards the window when a car makes a sudden turn.
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
33.
A swimmer pushes water back with her arms but her body moves 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
34.
When you paddle a kayak, you push the paddle backwards in the water and the kayak goes 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
35.
What is Newtons 2nd law of motion?
a)
Force= Mass multiplied by acceleration
b)
An object at rest stays at rest unless acted on an unbalanced force.
c)
For every action there is a equal and opposite re-action.
d)
Law of gravity
36.
What is Newtons 3rd law of motion?
a)
Force= Mass multiplied by acceleration
b)
An object at rest stays at rest unless acted on an unbalanced force.
c)
For every action there is a equal and opposite reaction.
d)
Law of gravity
37.
Mass is a measure of an object's inertia. Objects with greater mass have a greater inertia; objects with less mass have less inertia.
a)
true
b)
false
38.
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
39.
Determine the momentum of 1000-kg car moving northward at 20 m/s.........
a)
20000 N
b)
20000 Joules
c)
20000 Kg * m/s
d)
20000 kg * m/s north
40.
A runner has a momentum of 670 kg m/s and is traveling at a velocity of 9 m/s. What is his mass?
a)
74.4 kg
b)
6030 kg
c)
0.0134 kg
d)
80 kg
41.
What is the unit for velocity?
a)
m/sec
b)
kg/sec
c)
kg/m
d)
kg m/sec
42.
What is the unit for mass?
a)
m/sec
b)
kg/sec
c)
kg
d)
kg m/sec
43.
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
44.
If there are two forces going in the same direction how would you find the net force?
a)
Subtract
b)
Add
c)
Neither
d)
Multiply
45.
Find the net force: 15 N to the right, and another 15 newtons to the right.
a)
0 N Right
b)
0 N Left
c)
30 N Left
d)
30 N Right
46.
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
47.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
48.
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
49.
True or False: The larger the arrow the more the net force.
a)
True
b)
False
50.
What is Sliding Friction?
a)
Opposes submarines in the water and airplanes in the air
b)
Opposes the dirrection of an 0bject as it slides over a surface
c)
None of the above
d)
Change in shape the point of rolling contrast because of friction
51.
How many types of frictions are there?
a)
2
b)
4
c)
10
d)
6
52.
Define Inertia
a)
How fast an object travels
b)
A push or pull
c)
An objects resistance to a change in its motion
d)
A force that brings a body towards to center of mass of an object
53.
The SI unit for measuring distance is
a)
Meter
b)
Newton
c)
Meters per second
d)
Meters per second squared
54.
Define Fluid Friction
a)
Friction that occurs when a solid pushes a liquid or a gas aside
b)
The friction of stationary objects. You must use more force to move an object experiencing this kind of friction
c)
Friction that occurs when a solid rolls across a surface
d)
Friction caused by two objects sliding against each other
55.
Define Rolling Friction
a)
Friction caused by two objects sliding against each other
b)
Friction that occurs when a solid rolls across a surface
c)
Friction that occurs when a solid pushes a liquid aside
d)
The friction of stationary objects. You must use more force to move an object experiencing this kind of friction
56.
Define Static Friction
a)
Friction caused by two objects sliding against each other
b)
Friction that occurs when a solid rolls across a surface
c)
The friction of stationary objects. You must use more force to move an object experiencing this kind of friction
d)
Friction that occurs when a solid pushes a liquid aside
57.
Frictions acts in the direction _____to the direction of the object's motion.
a)
Perpendicular
b)
Parallel
c)
Opposite
d)
Diagonal
58.
A football player is pushing a heavy sled for workouts. What type of friction must he overcome in order to start the sled?
a)
Rolling Friction
b)
Static Friction
c)
Fluid Friction
d)
Sliding Friction?
59.
Jimmy puts his fist in a glass of water. The friction applied to his fist is a
a)
Fluid Friction
b)
Sliding Friction
c)
Rolling Friction
d)
Static Friction
60.
What happens to the object when the forces are not balanced?
a)
Accelerates
b)
Stays
c)
Nothing
d)
None of the above
61.
What is friction?
a)
A force that acts on objects that aren't moving
b)
A force that opposes the motion of an object as it slides over a surface
c)
None of the above
d)
A force resisting the relative motion
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