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WorksheetsCA 2 Review
Total questions: 99
Worksheet time: 3hrs 48mins
Name
Class
Date
1.
What is the formula to calculate speed?
a)
S = t/d
b)
S = d/t
c)
S = d x t
d)
S = t x d
2.
What is velocity?
a)
the quickness of an object
b)
the location of an object
c)
acceleration
d)
speed in a specific direction
3.
What does this graph represent?
a)
Constant Speed
b)
Acceleration
c)
Deacceleration
d)
Not moving
4.
What is the speed of an object that travels 60 meters in 4 seconds?
a)
240 m/s
b)
15 m/s
c)
0.067 m/s
d)
15 mph
5.
What is the person doing from 5 seconds to 10 seconds?
a)
Walking
b)
Running
c)
Standing Still
d)
Walking Fast
6.
What is happening to line D?
a)
Stationary
b)
Accelerating
c)
Constant fast speed; moving away from the starting position
d)
Slower steady speed; moving away from the starting position
7.
Are the forces acting on the sled in Section 1 balanced or unbalanced? The track is smooth and frictionless.
a)
Balanced
b)
Unbalanced
8.
Are the forces acting on the sled in Section 2 balanced or unbalanced? The track is smooth and frictionless.
a)
Balanced
b)
Unbalanced
9.
Are forces balanced or unbalanced when a marble rolls down a ramp?
a)
Balanced
b)
Unbalanced
10.
A girl is pushing a cart by herself with a force of 7 N. What will happen if a boy begins to help her and their combined force is 17 N?
a)
The cart will speed up.
b)
The cart will slow down.
c)
The cart will move at a constant speed in a straight line.
d)
The cart will fly to never never land!
11.
The boat moves to the left at a speed of 4 m/s. The current moves to the right at 2 m/s. What will happen if the current increases to 3 m/s?
a)
The boat will speed up.
b)
The boat will slow down.
c)
The boat will move backwards.
d)
The boat will continue sailing to the left at a constant speed of 4 m/s.
12.
Are forces balanced or unbalanced when plates at a transform fault move and cause an earthquake?
a)
Balanced
b)
Unbalanced
13.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
14.
Calculate the Net Force.
a)
60N, Left
b)
40N, Right
c)
0N
d)
60N, Right
15.
Calculate the Net Force.
a)
40N, Left
b)
40N, Right
c)
0N, Balanced
d)
75N, Right
16.
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
17.
Newton has __ laws.
a)
1
b)
2
c)
3
d)
None
18.
What is newtons 1st law?
a)
nothing
b)
an object in motion stays in motion or an object at rest stays at rest.
c)
Friction
19.
What is newtons 3rd law?
a)
Action & Reaction
b)
Friction
c)
An object in motion stays in motion or an object at rest stays at rest.
20.
Whats Newtons 2nd law?
a)
Friction
b)
The more mass the more force applied to accelerate the object.
c)
same as 1st law
d)
same as 2nd law
21.
An object in motion stays in motion unless a ____
acts upon it.
acts upon it.
a)
force
b)
dog
22.
If theres a string on your shirt you ___ it.
a)
push
b)
Pull
23.
If you want your sibling to go away you ___ him.
a)
push
b)
Pull
c)
kick
d)
tackel
24.
What is kenetic energy?
a)
stored energy
b)
Energy for an obeject in motion
25.
What is potential energy?
a)
motion
b)
a push
c)
stored energy
d)
a dolphin
26.
Forces that have a net force of zero ( the object is still).
a)
Balanced force
b)
Unbalanced force
27.
What is the net force acting on the block?
a)
4 lbs to the right
b)
6 lbs to the right
c)
14 lbs to the right
d)
40 lbs to the right
28.
Who wins the tug of war with what net force?
a)
The person on the left with 20 N
b)
The person on the left with 80 N
c)
The people on the right with 20 N
d)
The people on the right with 100 N
29.
Which of the following best explains the behavior of the objects shown in the picture?
a)
inertia
b)
weight
c)
normal force
d)
air resistance
30.
The biker on the right travels at constant velocity. All of the following are true except-
a)
he has a net force acting on him.
b)
the normal force is equal to his weight.
c)
the force of friction acts opposite the direction of his motion.
d)
the force of friction is equal to the forward force he applies.
31.
If an object is traveling at constant velocity, which two forces will be equal?
a)
weight and net
b)
applied and frictional
c)
net and frictional
d)
net and applied
32.
In the free-body diagram shown above, which of the following is the gravitational force acting on the balloon?
a)
5120 N
b)
950 N
c)
1520 N
d)
4050 N
33.
What is the net force in this picture?
a)
50 Newtons to the right
b)
950 Newtons to the right
c)
950 Newtons to the left
d)
50 Newtons to the left
34.
Why does a book on a table not move?
a)
No forces are acting on the book
b)
Gravity is the only force acting on the book
c)
Forces of the table pushing up and gravity pulling down are balanced
35.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
36.
A force exerted over a distance to move an object is ______________________.
a)
power
b)
work
c)
momentum
d)
Watt
37.
A 5000N block is lifted 10 m. How much work was done?
a)
50000 J
b)
5000 J
c)
500 J
d)
50 J
38.
Work done = Force x _________
a)
a. distance
b)
b. acceleration
c)
c. velocity
d)
d. speed
39.
W=125 J
d=10 m
F=???
d=10 m
F=???
a)
12.5 N
b)
1250 N
c)
0.08 N
d)
135 N
40.
If 150 Joules of work is needed to move a box 10 meters, what force was used?
a)
1500 N
b)
15 N
c)
1.5 N
d)
150 N
41.
If 68 Joules were necessary to move a 4 Newton crate, how far was the crate moved?
a)
272 m
b)
17 m
c)
4.05 m
d)
272 cm
42.
Is work being done if I am trying to pick up a box but can not lift it?
a)
yes
b)
no
43.
A girl pushes a box across the floor. Did she do work?
a)
no
b)
yes
44.
Which situation is work not done?
a)
lifting a 20 pound box off the floor
b)
holding a 20 pound box above the floor
c)
sliding a 20 pound box across the floor
d)
sliding a 20 pound box up an inclined plane
45.
W= 20 Joules
F= .5 Newtons
D=??
F= .5 Newtons
D=??
a)
40 Newtons
b)
10 Newtons
c)
40 Kilometers
d)
10 Kilometers
46.
Which is doing work?
a)
pushing a wall
b)
holding a box
c)
picking up a pencil
d)
sitting in a chair
47.
Energy due to motion is ____________ energy.
a)
Potential
b)
Energy
c)
Kinetic
d)
Friction
48.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
all of the above
49.
__________ is stored energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
50.
When you are holding a book, energy is stored between the book and Earth; this type of energy is called ________ potential energy.
a)
Kinetic
b)
Potential
c)
Gravity
d)
Friction
51.
Food has _________ energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
52.
can energy be changed
a)
yes
b)
no
53.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
54.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
55.
What kind of energy is in flowerpot sitting on a windowsill?
a)
Potential
b)
Kinetic
56.
What kind of energy?
a)
Thermal
b)
Electrical
c)
Mechanical
d)
Radiant
57.
What kind of energy does this device use?
a)
Chemical
b)
Electrical
c)
Thermal
d)
Chemical
58.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
59.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
60.
Which type of energy can cross space (a vacuum)?
a)
Nuclear
b)
Thermal
c)
Radiant
d)
Convection
61.
What type of energy transformation happens in this object?
a)
Radiant to Electric
b)
Electric to Thermal
c)
Potential to Kinetic
d)
Kinetic to Potential
62.
Energy delivered by tiny charged particles called electrons is called_________ energy.
a)
Electrical
b)
Light
c)
Heat
d)
Sound
63.
Energy stored in the height of an object is called ___________ potential energy.
a)
Elastic
b)
Chemical
c)
Gravitational
d)
Nuclear
64.
Electromagnetic energy (such as visible waves, X-rays, gamma rays and radio waves) is called _______ energy.
a)
Heat
b)
Light
c)
Sound
d)
Electrical
65.
Which is the best example that something has kinetic energy?
a)
a. a car parked on a steep hill
b)
b. a tennis ball rolling across the court
c)
c. a picture hanging on the wall
d)
d. a piece of coal before it's burned
66.
Elastic potential energy is energy stored in object that are compressed or __________.
a)
movement
b)
stored
c)
harnessed
d)
pulled
67.
Gravitational potential energy depends on the ________ and ________ of the object.
a)
Height and mass
b)
Friction and movement
c)
Mass and Movement
d)
Height and Friction
68.
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
69.
If a ball of cheese is fired into frictionless space, the amount of force needed to keep it going equals
a)
twice the force with which it was fired
b)
the same amount of force with which it was fired
c)
1/2 the force with which it was fired
d)
zero, since no force is requires to keep it moving.
70.
If a ball of cheese is fired into frictionless space, the amount of force needed to keep it going equals
a)
twice the force with which it was fired
b)
the same amount of force with which it was fired
c)
1/2 the force with which it was fired
d)
zero, since no force is requires to keep it moving.
71.
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
72.
One object has twice as much mass as another object. The first object also has also twice as much...
a)
velocity
b)
gravitational acceleration
c)
inertia
d)
all of these
73.
What is the speed of an object that travels 20 meters in 4 seconds?
a)
80 m/s
b)
0.2 m/s
c)
5 m/s
d)
24 m/s
74.
What pulls a ball back to earth?
a)
Gas
b)
Gravity
c)
Friction
d)
Molecules
75.
A(n) __________ is a push or pull.
a)
newton
b)
acceleration
c)
force
d)
momentum
76.
According to Newton’s first law of motion, a moving object that is not acted on by an unbalanced force will
a)
remain in motion.
b)
eventually come to a stop.
c)
change its momentum.
d)
accelerate.
77.
A sled sliding on a flat, icy surface with a constant velocity is best described by
a)
Newton’s first law of motion for objects at rest.
b)
Newton’s first law of motion for objects in motion.
c)
Newton’s second law of motion.
d)
Newton’s third law of motion.
78.
Which has more Inertia? (and more force to move)
a)
Truck
b)
Ant
79.
A person steps out of the boat and onto the dock. As the person moves forward onto the dock, the boat moves backward. Which statement best describes the backward motion of the boat as the person steps forward?
a)
For every action there is an equal and opposite reaction.
b)
Every mass exerts a force on every other mass.
c)
An object at rest tends to stay at rest.
d)
Friction opposes the motion of an object.
80.
What kind of energy is represented in this picture?
a)
Thermal
b)
Potential
c)
Nuclear
d)
Mechanical
81.
A battery converts what type of energy to another?
a)
sound to kinetic
b)
light to heat
c)
mechanical to electrical
d)
chemical to electrical
82.
Wind turbines and windmills convert what energy to another?
a)
Kinetic to electric
b)
Gravitational potential to electric
c)
Mechanical to potential
d)
Thermal to sound
83.
The glow sticks produce light for a short amount of time. The light from the glow stick is a conversion from what to what?
a)
thermal to light
b)
gravitational to potential
c)
radiant to electrical
d)
chemical to light
84.
The formula for work is:
a)
d = r x t
b)
p = m x v
c)
f = m x a
d)
w = d x f
85.
Energy that is stored in bonds between atoms is:
a)
Mechanical energy
b)
Chemical energy
c)
Kinetic energy
d)
Nuclear energy
86.
What Unit do we Measure Force in?
a)
Newtons
b)
Joules
c)
Force
d)
Don't know
87.
45 m/s2 is the...
a)
Mass
b)
Force
c)
Acceleration
d)
weight
88.
When you kick a ball across a feild and it hits someone in the face and they fly backwards
a)
Action=Reaction
b)
Speed
c)
Motion
d)
Air
89.
True of False?
An object's inertia is effected by its mass.
An object's inertia is effected by its mass.
a)
False
b)
True
90.
In a tug of war the left team pulls with a force of 200N. The right team pulls with a force of 150N.What is the net force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
91.
A person is pushed forward into their seatbelt when a car stops
a)
1st
b)
2nd
c)
2 and 3
d)
3rd
92.
What is Newton's First Law known as? The Law of
a)
Friction
b)
Mass
c)
Inertia
d)
Gravity
93.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
Newtons 4th law
c)
Newtons 3rd law
d)
Newtons 2nd law
94.
What law of motion does this picture represent?
a)
Newtons 3rd law
b)
Newtons 4th law
c)
Newtons 1st law
d)
Newtons 2nd law
95.
What law of motion does this picture represent?
a)
Newtons 1st law
b)
law of gravity
c)
Newtons 4th law
d)
Newtons 2nd law
96.
What law of motion does this picture represent
a)
Newtons law of gravity
b)
Newtons 1st law
c)
Newtons 4th law
d)
Newtons 3rd law
97.
Baseball pushes glove leftwards. What is the re-action
a)
The glove pushes the baseball rightward.
b)
The glove pushes the baseball leftward
c)
It stays still
d)
The glove pushes the baseball upward
98.
A roller coasters accelerates from an initial velocity of 6.0 m/s to a final velocity of 70 m/s over 4 seconds. What's the acceleration?
a)
24 m/s2
b)
18 m/s2
c)
16 m/s2
d)
16 m/s
99.
A drag racer accelerated from 0 m/s to 200 m/s in 5 s. What was the acceleration?
a)
0 m/s
b)
40 m/s2
c)
-40 m/s2
d)
1000 m/s
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