Balanced and Unbalanced Forces - JSS2 Basic technology Past Questions and Answers - page 1
1
Which of the following best describes balanced forces?
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A
Forces that cause an object to accelerate
B
Forces that are equal in magnitude and opposite in direction
C
Forces that act in the same direction
D
Forces that have no effect on an object's moton
2
What happens to an object when balanced forces act on it?
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A
It accelerates
B
It changes direction
C
It remains at rest
D
It vibrates
3
Unbalanced forces result in:
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A
No change in motion
B
Constant velocity
C
A net force and acceleration
D
Equal and opposite force
4
In a tug of war, if both teams pull with equal force and the rope does not move, the forces are:
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A
Unbalanced
B
Balanced
C
Random
D
Variable
5
Which of the following is an example of unbalanced forces?
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A
A book lying on a table
B
A car accelerating on a highway
C
A hanging picture
D
A balanced seesaw
6
What is the result when unbalanced forces act on an object?
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A
The object remains stationary
B
The object moves at a constant speed
C
The object changes its state of motion
D
The object becomes lighter
7
What force is primarily responsible for a toy car accelerating down a ramp?
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A
Friction
B
Air resistance
C
Gravity
D
Magnetic force
8
If a weight is hanging from a string and remains stationary, the forces are:
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A
Unbalanced and equal
B
Balanced and unequal
C
Balanced and equal
D
Unbalanced and unequal
9
When a person pushes a box and it starts moving, this demonstrates:
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A
Balanced forces
B
Static friction
C
Unbalanced forces
D
Equal forces
10
If an object is moving at a constant velocity, the forces acting on it are:
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A
Balanced
B
Unbalanced
C
Increasing
D
Decreasing
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