What is the acceleration of the stone in Think and Explain
The acceleration of the stone at the top of its path.
Answer to Problem 20TE
The acceleration of the stone at the top of its path is
Explanation of Solution
When the stone is going up, it experience two forces, weight of the stone acting downward and tension in the string acting upwards. Since, the stone is accelerated upwards, there must be a net upward force acting on the stone. So, the tension in the string must be greater than weight of the stone.
When the stone is moving up, the net acceleration acting on it is
Conclusion:
Therefore, the acceleration of the stone at the top of its path is
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