Rankers Physics

Uniform Circular Motion: Practice Problem & Solution

A stone of mass m is tied to a string of length l and rotated in a circle with a constant speed v. If the string is released, the stone flies :
radially outward
radially inward
tangentially
with an acceleration mv2/l

Solution Explained:

To solve this problem, we apply the core principles of Uniform Circular Motion. Understanding the underlying formula is key to arriving at the correct answer below:

In Circular motion velocity of the particle is always directed along tangent. So when string is released object moves tangentially.

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