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Question
When a stone tied to a string is whirled in a circle, what kind of work is said to be done on it by the string?
When a stone tied to a string is whirled in a circle, what kind of work is said to be done on it by the string?
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Solution
The correct option is C Zero
When a stone is tied to a string and whirled in circle no work is said to be done.
The string and tangent of the circle will be perpendicular. Hence, work done is zero.
When a stone is tied to a string and whirled in circle no work is said to be done.
The string and tangent of the circle will be perpendicular. Hence, work done is zero.
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