Study the following statements.
(I) When stone is rotated at greater speed in circular path greater force is required.
(II) When stone is rotated in a circle of smaller radius, greater force is required.
(III) When stone is rotated at greater speed in a circle of smaller radius, smaller force is required.
Which of the following statement(s) is/are correct?
Text Solution
Verified by ExpertsA
When a stone tied with string is rotated in horizontal circle, then centripetal force is required
which is given as
From above, it is clear that when stone is rotated with greater speed, then greater force (centripetal force) is required.
Again, when stone is rotated in a circle of smaller radius, greater force is required.
So, statements I and II are correct but III is incorrect.
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