ScienceClass 9CBSE
Q
A boy is whirling a stone tied with a string in an horizontal circular path. If the string breaks, the stone (a) will continue to move in the circular path (b) will move along a straight line towards the centre of the circular path (c) will move along a straight line tangential to the circular path will move along a straight line perpendicular to the circular path away from the boy
A
- Soln:
Answer is (c) will move along a straight line tangential to the circular path
Explanation:
At any instance of time object in circular motion tend to be in rectilinear motion. Object keeps on moving due to centripetal force and it moves along a straight line tangential to the circular path when strings breaks.