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Worksheets8.6A Balanced Unbalanced Forces
Total questions: 35
Worksheet time: 2hrs 1mins
Name
Class
Date
1.
What is the net force on this box?
a)
30 N left
b)
25 N right
c)
5 N left
d)
55 N right
2.
What is the unit of force?
a)
Kilogram
b)
Meter
c)
Pascal
d)
Newton
3.
The total amount of forces acting on an object is called...
a)
Contact Force
b)
Balanced Force
c)
Unbalanced Force
d)
Net Force
4.
Which of the following has a net force of 0 Newtons?
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
5.
When are you undergoing an acceleration in a car?
a)
speed up
b)
slow down
c)
make turns
d)
all of these!
6.
Acceleration only takes place when things speed up.
a)
True
b)
False
7.
Changes in our speed, direction or both are called _________.
a)
gravity
b)
changes
c)
acceleration
d)
displacement
8.
How will this object change its motion?
a)
It will not change its motion.
b)
It will accelerate to the right.
c)
It will accelerate to the left.
d)
It will move in both directions.
9.
How will this object change its motion?
a)
It will not change its motion.
b)
It will accelerate to the right.
c)
It will accelerate to the left.
d)
It will move in both directions.
10.
Which of the following has a net force of 0 Newtons?
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
11.
Balanced or Unbalanced?
a)
Balanced
b)
Unbalanced
12.
Which could be an example of an unbalanced force?
a)
A plate sitting on a dining table
b)
A ball at the top of a hill that is not moving
c)
A soccer ball kicked in space, traveling at a constant speed
d)
A baseball that has just been thrown to home plate.
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 also push with a force of 25 N right. What is the net force on the couch?
a)
60 N right, unbalanced
b)
10 N left, unbalanced
c)
60 N right, balanced
d)
50 N left, balanced
14.
What will cause an object to change its motion?
a)
Applied forces
b)
Balanced forces
c)
Unbalanced forces
15.
Objects that have a net force of zero are...
a)
Balanced
b)
Unbalanced
c)
Accelerating
16.
Calculate the Net Force.
a)
60N, Left unbalanced
b)
40N, Right unbalanced
c)
0N balanced
d)
60N, Right, unbalanced
17.
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
18.
In a tug of war game, the NET FORCE is 50N to the LEFT. The left team pulled with a force of 200N to the left. How much force did the losing team pull with?
a)
150N right
b)
250N right
c)
100N right
d)
50N right
19.
A wheeled cart is moving to the right at a constant speed. 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
20.
Solve the problem. Careful! CHECK your math!
a)
5N
b)
8N
c)
3N
d)
11N
21.
In which of these cases is the car is balanced?
a)
A car shortly after a stoplight turns green.
b)
A car approaching a red light
c)
A car with the cruise control set at 80 km/h
d)
A car moving down a ramp
22.
What is the net force of an object that is not moving?
a)
0N
b)
100N
c)
Upward force
23.
Describe the motion of the car:
a)
accelerating left
b)
constant speed
c)
accelerating right
d)
constant speed
24.
A book lying on a table
a)
Balanced
b)
Unbalanced
25.
Golfball on a tee
a)
Balanced
b)
Unbalanced
26.
Look at the picture. Are the forces balanced or unbalanced?
a)
Balanced
b)
Unbalanced
27.
Look at the picture. Balanced or Unbalanced?
a)
Balanced
b)
Unbalanced
28.
Car speeding up and slowing down
a)
Balanced
b)
Unbalanced
29.
Earth orbiting our star the sun.
a)
Balanced
b)
Unbalanced
30.
A rocket taking off
a)
Balanced
b)
Unbalanced
31.
A car traveling at a constant speed.
a)
Balanced
b)
Unbalanced
32.
Is the rocket balanced or Unbalanced?
a)
Balanced
b)
Unbalanced
33.
The rocket orbiting the earth
a)
Balanced
b)
Unbalanced
34.
Waterfall
a)
Balanced
b)
Unbalanced
35.
The amount of force pushing down on the chair is equal to the amount pushing back.
a)
Balanced
b)
Unbalanced
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