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Visual understanding of centripetal acceleration formula Video Lecture - Class 11

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FAQs on Visual understanding of centripetal acceleration formula Video Lecture - Class 11

1. What is the formula for centripetal acceleration?
Ans. The formula for centripetal acceleration is given by a = v^2 / r, where 'a' represents the centripetal acceleration, 'v' represents the linear velocity, and 'r' represents the radius of the circular path.
2. How is centripetal acceleration different from centripetal force?
Ans. Centripetal acceleration refers to the acceleration experienced by an object moving in a circular path, while centripetal force refers to the force that acts towards the center of the circle, causing the object to follow a curved path.
3. What is the significance of centripetal acceleration in circular motion?
Ans. Centripetal acceleration is crucial in circular motion as it enables an object to constantly change its direction while moving in a circular path. It ensures that an object maintains its motion along the curved path and prevents it from moving in a straight line.
4. How does the radius of the circular path affect the centripetal acceleration?
Ans. The centripetal acceleration is inversely proportional to the radius of the circular path. This means that as the radius decreases, the centripetal acceleration increases, and vice versa. In simpler terms, objects moving in smaller circles experience higher centripetal accelerations compared to those moving in larger circles.
5. Can centripetal acceleration be negative?
Ans. No, centripetal acceleration cannot be negative. It is always positive or zero. The direction of centripetal acceleration is always towards the center of the circular path, regardless of the direction of the object's motion.
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