Concept explainers
Why do the interatomic forces inside a ball not accelerate the ball?
The reason for not accelerating the ball by interatomic forces present inside the ball.
Answer to Problem 12RQ
The reason for not accelerating the ball by interatomic forces present inside the ball is that the intermolecular forces neutralize each other, so the net force acting on a ball becomes zero and the ball cannot accelerate.
Explanation of Solution
In every hollow object like ball, there are many microparticles present in the form of atoms and molecules. These atoms and molecules make random motions and due to this exert intermolecular forces on each other.
The random forces of the microparticles tend to neutralize each other. Due to neutralization, the net force that acts on the ball internally becomes zero. Due to this, the ball cannot accelerate. To accelerate the ball, an external force is required.
Conclusion:
Therefore, the intermolecular forces neutralize each other, so the net force acting on a ball becomes zero and the ball cannot accelerate.
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