Font size
S
M
L
XL
Worksheets2nd Period Parctice Test
Total questions: 100
Worksheet time: 1hrs 12mins
Name
Class
Date
1.
This type of force is an attraction between two objects
a)
contact
b)
gravity
c)
friction
2.
This type of force resist motion between two surfaces that are pressed together
a)
contact
b)
gravity
c)
friction
3.
If the net force is equal to zero, the forces acting on the object are
a)
balanced
b)
unbalanced
4.
Balanced forces do not change the objects speed or
a)
direction
b)
distance
c)
time
d)
mass
5.
The unit of force is
a)
m/s
b)
m/s^2
c)
newton
d)
kg
6.
What is defined as a push or pull?
a)
force
b)
motion
c)
vector
d)
speed
7.
The combination of all forces on one object is called _________.
a)
friction
b)
net force
c)
tug of war
d)
newtons
8.
What is the force of an object with a mass of 30 kg and an acceleration of 10 m/s2?
a)
300
b)
3
c)
20
d)
40
9.
Calculate the acceleration of a 150 kg object that is moved with a force of 300N.
a)
2
b)
150
c)
.5
d)
450
10.
What is the mass of an object that is accelerating 60 m/s2 when a force of 3000N is exerted?
a)
5
b)
3060
c)
50
d)
180000
11.
A10 kg bowling ball would require what force to accelerate down an alleyway at a rate of 3 m/s2?
a)
13
b)
3.3333333
c)
30
d)
7
12.
If a 10 kilogram object accelerates suddenly at 15 m/s^2, how much force was applied to the object?
a)
150 Newtons
b)
15 Newtons
c)
150 kilograms
d)
100 kilograms
13.
If a 1 kilogram object had a force of 10 Newton's applied to it, what would it's acceleration be?
a)
1 m/s^2
b)
.1 m/s^2
c)
10 m/s^2
d)
100 m/s
14.
If a 10 kilogram object had a force of 50 newton's applied to it, what would its acceleration be?
a)
15 m/s^2
b)
5 m/s^2
c)
.5 m/s^2
d)
10 m/s^2
15.
A five kilogram object attained a velocity of 5 m/s one second after a force was applied. In Newtons, what was the strength of the force?
a)
10 Newtons
b)
5 Newtons
c)
25 Newtons
d)
20 Newtons
16.
Balanced forces can speed up, slow down, or change the direction of an object.
a)
True
b)
False
17.
______ forces affect the motion of an object by speeding it up, slowing it down, or changing the direction of it.
a)
Balanced
b)
Strong
c)
Unbalanced
d)
WeaK
18.
Which law of motion states that an object in motion will stay in motion and an object at rest will stay at rest unless acted upon by an unbalanced force?
a)
Newton's 1st Law of Motion
b)
Newton's 2nd Law of Motion
c)
Newton's 3rd Law of Motion
19.
An object's resistance to its change in motion is its
a)
Friction
b)
Inertia
c)
Gravity
d)
Pressure
20.
Which law of motion is explained by the equation:
Force = Mass x Acceleration
Force = Mass x Acceleration
a)
Newton's 1st Law of Motion
b)
Newton's 2nd Law of Motion
c)
Newton's 3rd Law of Motion
21.
As the force applied to an object increases, its acceleration______
a)
decreases
b)
increases
c)
stays the same
d)
does not exist
22.
As the mass of an object decreases, its acceleration _______
a)
decreases
b)
increases
c)
stays the same
d)
does not exist
23.
The force that one surface exerts on another surface when two rub against each other is referred to as ________.
a)
fluid
b)
friction
c)
gravity
d)
momentum
24.
Which of the following factors determines the strength of friction between two surfaces.
a)
The type of surfaces involved.
b)
How hard the surfaces push together.
c)
All of the above
d)
None of the above.
25.
Weight is determined by the pull of gravity against an object.
a)
True
b)
False
26.
Which law of motion is explained as: For every action, there is an equal and opposite reaction.
a)
Newton's 1st Law of Motion
b)
Newton's 2nd Law of Motion
c)
Newton's 3rd Law of Motion
27.
The product of mass and velocity.
a)
Fluid
b)
Force
c)
Gravity
d)
Momentum
28.
Which law of motion explains how a rocket lifts off the ground?
a)
Newton's 1st Law of Motion
b)
Newton's 2nd Law of Motion
c)
Newton's 3rd Law of Motion
29.
The force exerted on a surface divided by the total surface on which the force is exerted.
a)
Friction
b)
Gravity
c)
Momentum
d)
Pressure
30.
If distance is increased, what happens to the force of gravity?
a)
it decreases
b)
it increases
c)
it stays the same
31.
What is the unit for force?
a)
jules
b)
Newtons
c)
poles
32.
Which of these uses gravity to make it move?
a)
a sailboat moving across a lake
b)
a car making a right turn
c)
a snow sled going downhill
33.
The force that holds the planets in orbit around the sun is called...
a)
tension
b)
friction
c)
gravity
34.
The amount of gravitational attraction between the Earth and an object depends on the object's distance from the Earth AND the object's _________
a)
shape
b)
mass
c)
state of matter
35.
A balloon has a negative charge. A glass rod has a positive charge. What will happen when the glass rod is brought near the balloon?
a)
the balloon will be attracted by the rod
b)
the balloon will be repelled by the rod
c)
the balloon will remain in place
36.
What type of force slows a baseball rolling on a field?
a)
friction
b)
tension
c)
elastic
37.
Which type of force has positive and negative charges?
a)
electric
b)
magnetic
c)
elastic
38.
Which type of force uses iron, cobalt, or nickel to attract other objects?
a)
magnetic
b)
electric
c)
tension
39.
Which type of force acts upon anything that has mass and is always attractive?
a)
gravity
b)
tension
c)
elastic
d)
electric
40.
Which type of force is involved when a rubberband returns to its original shape after being shot across the room?
a)
elastic
b)
tension
c)
electric
d)
magnetic
41.
What is the overall charge of an object if it has the same amount of positive and negative charges?
a)
it is negative
b)
it is positive
c)
it is neutral
42.
What are the two factors that affect a force?
a)
strength and direction
b)
mass and distance
c)
force and acceleration
43.
Contact or non-contact? Friction.
a)
contact
b)
non-contact
44.
Contact or non-contact? Magnetic.
a)
contact
b)
non-contact
45.
If two forces are moving in the same direction- one has a force of 1 N and the other 2 N... what is the net force?
a)
1 N
b)
2 N
c)
3 N
46.
If mass is increased, what happens to the force of gravity?
a)
it decreases
b)
it increases
c)
it stays the same
47.
Which best describes what the experiment is showing?
a)
how helium works
b)
how balloons float
c)
how a stationary object stops another object
d)
how charges of an object interact
48.
The cart will move as if it were acted on by a single force with a magnitude of ____
a)
50 N
b)
150 N
c)
200 N
d)
350 N
49.
A comb is rubbed with a piece of wool fabric and placed next to some scraps of paper. The paper moves toward the comb. Why?
a)
tension
b)
elastic force
c)
magnetism
d)
static electricity
50.
If each square represents 1 N, what would the following vectors show?
a)
9 N right
b)
4 N left
c)
5 N right
d)
13 N right
51.
What is the net force?
a)
40 N left
b)
0 N Balalnced
c)
400 N right
d)
40 N right
52.
The tendency of an object at rest to stay at rest unless it is acted upon by a force is called ___________________
a)
inertia
b)
motion
c)
gravity
d)
lubricant
53.
A wheeled cart is moving to the right at a constant speed. Two forces of equal magnitude are acting upon the cart. Which of the following best describes the forces and motion of the cart?
a)
Balanced Forces, Constant Speed
b)
Balanced Forces, Acceleration
c)
Unbalanced Forces, Constant Speed
d)
Unbalanced Forces, Acceleration
54.
How will this object move?
a)
It won't move.
b)
It will move to the right.
c)
It will move to the left.
d)
It will move in both directions.
55.
Which could be an example of a balanced force?
a)
An asteroid moving at a constant speed through space
b)
A car accelerating from a stop sign
c)
A box of dishes falling from a counter
d)
A rocket taking off
56.
Calculate the Net Force.
a)
60N, Left
b)
40N, Right
c)
0N
d)
60N, Right
57.
What is the net force?
a)
10 N
b)
0 N
c)
25 N
d)
1 N
58.
Forces that have a net force of zero
a)
Balanced force
b)
Unbalanced force
59.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
60.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
61.
Balanced or Unbalanced?
a)
Balanced
b)
Unbalanced
62.
This is an example of what kind of force?
a)
Balanced Force
b)
Pushing Force
c)
Gravity Force
d)
Unbalanced Force
63.
If an object is not moving the forces acting upon it are _____________
a)
unbalanced
b)
weak
c)
balanced
d)
Hulk Smash!
64.
A push or pull that causes a change in motion
a)
Friction
b)
Gravity
c)
Force
d)
Mass
65.
Examples of forces that make something move are...
a)
pushes
b)
pulls
c)
both pushes and pulls
66.
When forces are _________ the object DOES NOT move.
a)
unbalanced
b)
balanced
c)
heavy
d)
light
67.
The force that pulls things toward earth.
a)
Speed
b)
Gravity
68.
What kind of energy is in a moving skateboard?
a)
Potential
b)
Kinetic
69.
What kind of energy is in a rock at the edge of a cliff?
a)
Potential
b)
Kinetic
70.
Can energy be destroyed
a)
no
b)
yes
71.
The faster an object moves, the ________ kinetic energy it has.
a)
more
b)
less
c)
none of the above
d)
all of the above
72.
__________ is stored energy.
a)
Potential
b)
Kinetic
c)
None of the above
d)
All of the above
73.
What kind of energy is in a battery?
a)
Potential
b)
Kinetic
74.
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
75.
When a pendulum swings, at which point is potential energy at its greatest?
a)
1
b)
2
c)
3
d)
4
76.
What energy is pulling an arrow back
a)
kinetic energy
b)
potential energy
c)
energy
77.
True or False: The people at the bottom of the hill have mostly potential energy.
a)
True
b)
False
78.
Blowing wind.
a)
Potential
b)
Kinetic
79.
A lump of coal.
a)
Potential
b)
Kinetic
80.
A stretched rubber band.
a)
Potential
b)
Kinetic
81.
Which is Newtons second law
a)
Force is equal to an objects mass times its velocity
b)
an object in motion stays in motion or an object at rest stays at rest unless acted on by an outside force.
c)
law of inertia
d)
For every action there is an equal and opposite reaction
82.
If you dropped a bowling ball and a golf ball from the top of a building, which one would hit the ground first?
a)
bowling ball
b)
baseball
c)
neither
d)
both
83.
If a space explorer has a mass of 67kg but their weight is 944.7N? What planet is the explorer on?
(w = m*g)
Saturn: g=11.1 N/kg
Pluto: g=0.42 N/kg
Earth: g=9.8 N/kg
Neptune: g=14.1 N/kg
(w = m*g)
Saturn: g=11.1 N/kg
Pluto: g=0.42 N/kg
Earth: g=9.8 N/kg
Neptune: g=14.1 N/kg
a)
Saturn
b)
Pluto
c)
Earth
d)
Neptune
84.
45 m/s2 is the...
a)
Mass
b)
Force
c)
Acceleration
d)
weight
85.
What is the scientific unit used to measure weight?
a)
grams
b)
Liters
c)
pounds
d)
newtons
86.
F=MA
Going down a hill a 12 kg sled has a force of 36 N. What is it's acceleration?
Going down a hill a 12 kg sled has a force of 36 N. What is it's acceleration?
a)
2 m/s2
b)
3 m/s2
c)
I don't know
d)
What?
87.
If you slide a hockey puck on ice, eventually it will stop because of the friction of the ice. This is an example of which Law of Motion.
a)
Newton's First Law
b)
Newton's Second Law
c)
Newton's Third Law
88.
A person not wearing a seat belt flies through a car window when someone slams on the breaks because the person’s body wants to remain in continuous motion even when the car stops.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
89.
According to Newton's Third Law of Motion, when a hammer strikes and exerts a force on a nail, the nail
a)
disappears into the wood
b)
moves at a constant speed
c)
exerts an equal and opposite force back on the hammer
d)
creates a balanced force
90.
What are balanced forces?
a)
Forces in the same direction
b)
Forces of the same size
c)
forces of the same size in opposite directions
91.
How could you make an object increase its speed?
a)
use less force
b)
use more force
c)
use no force
92.
for every action there is...
a)
An equal and opposite reaction
b)
An equal and different reaction
c)
a different force
d)
two more forces
93.
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 resultant force?
a)
50N to the left.
b)
350N to the left.
c)
350N to the right.
d)
50N to the right.
94.
The force that opposes the motion of two surfaces sliding past each other is called ___________.
a)
acceleration
b)
inertia
c)
friction
d)
unbalanced
95.
What is the unit of force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
96.
What is it called when the force of gravity is acting on an object?
a)
Weight
b)
Sliding Friction
c)
Momentum
d)
Projectile Motion
97.
This is a rocket.The rocket pushes the fuel down.What is the other force in this interaction pair?
a)
The fuel pulls the rocket up.
b)
The fuel pushes the rocket up.
c)
The rocket pulls the earth up.
d)
The earth pulls the rocket down.
98.
On the Picture the balloon pushes the air right and the balloon goes left. Which of Newton's Laws is this?
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
99.
One object has twice as much mass as another object. The first object also has twice as much...
a)
velocity
b)
gravitational acceleration
c)
inertia
d)
all of these
100.
Which has more mass, a kilogram of feathers or a kilogram of iron?
a)
feathers
b)
iron
c)
neither
Reset
