The acceleration of a particle in uniform circular motion is centripetal acceleration, with a magnitude of v²/r, directed towards the center of the circle. This acceleration is always present even when speed is constant because the direction of the velocity is continuously changing, requiring a net force and thus a net acceleration to change that direction.
A particle is moving in a uniform circular motion with constant speed v along a circle of radius r. The acceleration of the particle is?
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Question context
This question is part of ⚙️ Mechanical Eng within the broader 🛠️ Engineering Essentials subject and appears in the SPSC – Sindh Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.