M

Madan • 7.44K Points
Tutor III 

Q. A stone weighing 20 N is whirling in a vertical circle at the extremity of a string 100 cm long. The tension in the string will be zero

(A) at the highest position
(B) at the lowest position
(C) at the midway position
(D) none of the above
Correct : Option (A)

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