Question

7. A student places a stone on a sling and moves it in circular motion, as shown.
In which direction does the centripetal force act on the stone?
Stone
(a) It acts towards the hand.
(b)It acts towards the ground.
(c) It acts tangential to the circular motion of stone.
(d) It acts in the direction opposite to the direction of motion ​

Answer 1

Answer:

think ans is similar to the que

Explanation:

When the boy is whirling a stone tied with a string in a circular path, the centripetal force acts towards the center of the circular path. However, when the string breaks the centripetal force ceases and there is no force acting. Thus, the stone as per Newtons first law will continue in a straight line and fly off along the tangent to the circular path

Answer 2

Centripetal force acts towards the hands.

• First of all , when the girl is swirling the stone with a sling, the stone is performing a horizontal circular motion.

• In any circular motion, at any point on the trajectory, the particle experiences a radially inwards force which is directed towards the centre of the circle. This force is called CENTRIPETAL FORCE.

• Now, the hand of the girl is actually the centre upon which the circular trajectory is taking place.

Hence, the centripetal force will be directed radially in words towards the hand of the girl.

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