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