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Balanced Vs. Unbalanced Forces
Test Description: A review for the Forces Quiz
Instructions: Answer all questions to get your test result.
1) To find the net force of two objects moving at the same direction you would ____________ their forces.
A
subtract
B
add
C
multiply
D
divide
2) An object at rest or moving at a constant speed and in a straight line is being acted on by _______________________ force/s.
A
balanced
B
unbalanced
3) A(n) ____________________ force always causes a change in position, speed or direction of an object.
A
balanced
B
unbalanced
4) The total amount of all the forces on an object is called the __________________________.
A
net force
B
Newtons
C
force
5) To find the net force of two objects moving in opposite directions you would ______________________ their forces.
A
divide
B
add
C
subtract
D
multiply
6) Force is measured in ______________________.
A
m/s
B
amperes
C
Newtons
D
volts
7) The moon orbiting the Earth an a constant speed.
A
unbalanced
B
balanced
8) A book sitting on a table.
A
Balanced
B
Unbalanced
9) A downhill skier
A
Balanced
B
Unbalanced
10) A race car accelerating around a turn
A
unbalanced
B
balanced
11) What happens to the speed of an object as an unbalanced force acts on it?
A
It increases or decreases
B
It decreases
C
it stays the same
D
It increases
12) What happens to the position of an object as an unbalanced force acts on it?
A
it causes movement (position will change)
B
it causes gravity
C
it causes no change
13) What happens to the direction of an object as an unbalanced force acts on it?
A
It doesn’t change direction at all.
B
It moves in the same direction of the force.
C
It moves in the opposite direction of the force.
14) An object at rest needs an unbalanced force in order to move.
A
False
B
True
15) A push or a pull is the definition of a force.
A
False
B
True
16) How can you tell if the forces acting on an object are balanced?
A
C. The net force is zero.
B
A. Motion changes
C
B. Motion does not change
D
D. Both B and C
17) How can you tell if the forces acting on an object are unbalanced?
A
D. Both B and C
B
A. The motion changes
C
C. The net force equals zero
D
B. The motion does not change
18) Sam is pushing a box 10 N to the right while Tom is pushing the box 12 N to the left. What is the net force?
A
2 N to the left
B
10 N to the right
C
12 N to the left
D
2 N to the right
*select an answer for all questions
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