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WorksheetsForces 2022
Total questions: 52
Worksheet time: 2hrs 47mins
Name
Class
Date
1.
Acceleration of an object happens when things ________
a)
slow down
b)
go faster
c)
change direction (turn)
d)
All of the above
2.
1. Which of the following statements about speed and velocity is correct?
a)
Velocity only describes an object’s rate of motion.
b)
Speed describes how an object is changing its velocity.
c)
Speed and velocity both describe how an object is speeding up.
d)
Only velocity includes the direction an object is traveling.
3.
Acceleration describes how an object’s velocity is changing. Which of the following scenarios provides the best example of an accelerating object?
a)
A car driving at a constant speed
b)
A book sitting on top of a high shelf
c)
A toy train traveling in a circle
d)
A toy boat floating in a bathtub
4.
When a car goes around a corner at 20 mph, why do we say it accelerates?
a)
The car is accelerating because of the velocity is constant
b)
The car accelerates because it's going 20 mph
c)
Cars always accelerate when they are in motion
d)
The car is accelerating because it's changing direction
5.
The gees fly 23 mph to the south when they migrate for the winter.
a)
speed
b)
velocity
c)
acceleration
6.
The tornado is traveling northwest at 20 mph.
a)
speed
b)
velocity
c)
acceleration
7.
The Olympian swam 200 meters in 20 seconds.
a)
speed
b)
velocity
c)
acceleration
8.
Sharis decides to be brave and go skydiving. If she accelerates at 9.81 m/s2 (m/s2 = m/s/s) for 4.9 s, what would her speed be at that time?
a)
48.1 m/s
b)
0.6 m/s
c)
0.0015 m/s
d)
7.1 m/s
9.
A little freshman moves down the hall at 3.2 m/s. When he sees Luke coming, he slows down. After 3.2 s, he is moving at 1.2 m/s. What is his acceleration?
a)
-0.25 m/s2
b)
-42.9 m/s2
c)
-0.625 m/s2
d)
-12 m/s2
10.
What is the net force?
a)
3 N
b)
3 N, right
c)
17 N, right
d)
3 N, left
11.
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
12.
What is the net force?
a)
20 N
b)
0 N
c)
400 N
d)
40 N
13.
What is the unit to MEASURE force?
a)
Kilogram
b)
Meter
c)
Pounds
d)
Newton
14.
A ____________ is a push or a pull on an object.
a)
friction
b)
force
c)
magnet
d)
gravity
15.
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.
16.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
17.
Forces that have a net force of zero Newtons
a)
Balanced force
b)
Unbalanced force
18.
The sum of all forces acting on an object.
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
19.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
20.
Calculate the Net Force.
a)
60N, Left
b)
40N, Right
c)
0N
d)
60N, Right
21.
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
22.
If a force of 50 Newton's was applied to an object with a mass of 500 grams, what will the object's acceleration be?
a)
10 m/s^2
b)
.1 m/s^2
c)
100 m/s^2
d)
1 m/s^2
23.
45 m/s2 is the...
a)
Mass
b)
Force
c)
Acceleration
d)
weight
24.
If a force of 26 N is exerted on two balls, one with a mass of 0.52 kg and the other with a mass of 0.78 kg, which ball will have the greater acceleration? (F=ma)
a)
The one with a mass of .78 kg will have the greatest acceleration.
b)
The one with a mass of .52 kg will have the greatest acceleration.
c)
They will both accelerate at the same rate.
25.
A 20 kg bike accelerates at 10 m/s2. what was the force?
a)
25 Newtons
b)
20 Newtons
c)
200 Newtons
d)
10 Newtons
26.
Unit of mass
a)
m/s 2
b)
m/s
c)
newtons
d)
kg
27.
The mass of a car is 1000 kg. How much force would be required to accelerate the car at a rate of 3 m/s2?
a)
1000 ÷ 3
b)
3 ÷ 1000
c)
1000 x 3
28.
The masses of four objects are given in this table. If all objects are struck with the same amount of force, which one will have the greatest acceleration?
a)
Object 1
b)
Object 2
c)
Object 3
d)
Object 4
29.
A magician pulls a tablecloth out from under dishes and glasses on a table without disturbing them.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
30.
A person’s body is thrown outward as a car rounds a curve on a highway.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
31.
Rockets are launched into space using jet propulsion where exhaust accelerates out from the rocket and the rocket accelerates in an opposite direction.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
32.
A picture is hanging on a wall and does not move.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
33.
A person not wearing a seatbelt 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
34.
Pushing a child on a swing is easier than pushing an adult on the same swing, because the adult has more inertia.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
35.
Acceleration is produced when a force acts on a mass. The greater the mass (of the object being accelerated) the greater the amount of force needed (to accelerate the object).
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
36.
An object at rest will remain at rest unless acted on by an unbalanced force. An object in motion continues in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
37.
This law is often called "the law of inertia."
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
38.
A soccer ball accelerates more than a bowling ball when thrown with the same force.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
39.
A student leaves a pencil on a desk and the pencil stays in the same spot until another student picks it up.
a)
Newton's 1st Law
b)
Newton's 2nd Law
c)
Newton's 3rd Law
d)
None of them
40.
Friction is an example of _____________
a)
contact force
b)
non contact force
c)
both of these
d)
none of these
41.
The direction of force of friction is always _____ to the direction of motion
a)
same
b)
opposite
c)
unchanged
d)
none of these
42.
Frictional force depends on ____
a)
surface area in contact
b)
roughness of surface
c)
both a and b
d)
none of the above
43.
Rough surfaces have _________
a)
greater friction
b)
less friction
c)
the same level of friction
44.
Wheels on a skateboard most likely experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
45.
Sally experiences-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
46.
Wheels of a shopping cart experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
47.
Swimming fish experience-
a)
Rolling Friction
b)
Sliding Friction
c)
Fluid Friction
d)
Static Friction
48.
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
49.
The equation to calculate momentum is
a)
p=mv
b)
p=1/2mv2
c)
p=mgh
d)
p=mg
50.
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
51.
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
52.
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
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