Problem Statement: ME Board April 1991A boy tied a 80 grams stone to a string which he rotated to form a circular motion with a diameter of 1000 mm. Compute for the pull exerted on the string by the stone if it got loose leaving at a velocity of 25 m/sec.
- A. 120 N
- B. 100 N
- C. 150 N
- D. 135 N
Problem Answer:The the pull exerted on the string by the stone is 100 N.
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