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Worksheets8.6A Net Forces and FMA
Total questions: 46
Worksheet time: 2hrs 33mins
Name
Class
Date
1.
What is the net force?
a)
3 N
b)
3 N, right
c)
17 N, right
d)
3 N, left
2.
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
3.
What is the net force?
a)
20 N
b)
0 N
c)
400 N
d)
40 N
4.
What is the unit to MEASURE force?
a)
Kilogram
b)
Meter
c)
Pounds
d)
Newton
5.
A ____________ is a push or a pull on an object.
a)
friction
b)
force
c)
magnet
d)
gravity
6.
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.
7.
Balanced or unbalanced?
a)
balanced
b)
unbalanced
8.
Forces that have a net force of zero Newtons
a)
Balanced force
b)
Unbalanced force
9.
What will cause an object to move?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
10.
Calculate the Net Force.
a)
60N, Left
b)
40N, Right
c)
0N
d)
60N, Right
11.
What is the net force on this box?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
12.
To calculate net force you must
a)
Add the forces
b)
Subtract the forces
13.
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
14.
If two forces act on an object in the same direction, the net force is the _____________
a)
the difference between the two forces
b)
the sum of the two forces
c)
Only one of the forces acts on the object
d)
DOOMSDAY!
15.
What is the net force?
a)
400 N Up at an increasing speed
b)
400 N Down at an increasing speed
c)
400 N Down at a constant speed
d)
800 N Down at a constant speed
16.
Are forces balanced or unbalanced when a car is moving at a constant speed in a straight line?
a)
Balanced
b)
Unbalanced
17.
What is the net force?
a)
65 N left
b)
65 N right
c)
35 N left
d)
35 N right
18.
What is the net force?
a)
5.5 N left
b)
5.5 N right
c)
2.5 N left
d)
2.5 N right
19.
What is the net force?
a)
11 N left
b)
11 N right
c)
3 N left
d)
3 N right
20.
What is the net force?
a)
1.3 N left
b)
1.3 N right
c)
3.7 N left
d)
3.7 N right
21.
What is the net force?
a)
3 N left
b)
3 N right
c)
7 N left
d)
7 N right
22.
The force that pulls things toward earth.
a)
Speed
b)
Gravity
23.
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
24.
Is this and example of a balanced or unbalanced force?
a)
balanced
b)
KITTIES!
c)
unbalanced
d)
pshhh
25.
Calculate the net force of the object in the image shown.
a)
20N
b)
35N
c)
5N
d)
25N
26.
Is this a balanced or unbalance force?
a)
Balanced
b)
Unbalanced
c)
Neither one
d)
Both
27.
What is the net force of this object?
a)
0N
b)
50N
c)
25N
d)
5N
28.
The forces represented by the arrows in the diagrams are applied to the four objects that are at rest on a table. Which object is most likely to remain in place?
a)
Object W
b)
Object X
c)
Object Y
d)
Object Z
29.
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
30.
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
31.
45 m/s2 is the...
a)
Mass
b)
Force
c)
Acceleration
d)
weight
32.
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.
33.
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
34.
A skier needs to apply a force of 132 N to accelerate at a rate of 2 m/s2. What is the mass of the skier? The answer to this question is most likely (HINT: Look at the units!!!) -
a)
66 N
b)
66 m/s2
c)
66 kg
35.
A basketball with a mass of 0.60 kg is accelerated with a force of 10.8 N. If resisting forces are ignored, what is the acceleration of the basketball to the nearest m/s2?
a)
16 m/s2
b)
17 m/s2
c)
18 m/s2
d)
19 m/s2
36.
Forces always act in equal and opposite pairs.
a)
Newton's 1st Law
b)
Newton's 3rd Law
c)
Newton's second law
37.
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.
38.
To calculate a
a)
a = Force × m
b)
a = Force ÷ m
c)
a = Force + m
d)
a = m ÷ Force
39.
To calculate m
a)
m = Force × a
b)
m = Force ÷ a
c)
m = Force + a
d)
m = a ÷ Force
40.
To calculate Force
a)
Force = m x a
b)
Force = m ÷ a
c)
Force = a ÷ m
d)
Force = m + a
41.
What is the force on a 1000 kg elevator that is falling freely at 9.8 m/s2? The answer to this question is most likely (HINT: Look at the units!!!) -
a)
9,800 N
b)
9,800 m/s2
c)
9,800 kg
42.
A force of 90N is applied to each cart below, which one will accelerate the fastest?
a)
Cart 1
b)
Cart 2
c)
Cart 3
d)
Cart 4
43.
Force = 25 N and Mass = 5 kg. Calculate the acceleration.
a)
5 ms-2
b)
125 ms-2
c)
30 ms-2
d)
4 ms-2
44.
Force = 20 N and Mass = 4 kg. Calculate the acceleration.
a)
80 N
b)
80 ms-2
c)
5 ms-2
d)
0.2 ms-2
45.
Mass = 4 kg and a = 0.2 ms-2. Calculate the force.
a)
8N
b)
80 N
c)
2 N
d)
0.8N
46.
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
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