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Vertical Circular Motion (Part- 1) Video Lecture | Basic Physics for IIT JAM

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FAQs on Vertical Circular Motion (Part- 1) Video Lecture - Basic Physics for IIT JAM

1. What is vertical circular motion?
Ans. Vertical circular motion refers to the motion of an object in a circle with its path being vertical. It involves the object moving in a circular path while constantly changing its direction and experiencing a gravitational force. This type of motion is commonly observed in amusement park rides like roller coasters and ferris wheels.
2. What is the centripetal force in vertical circular motion?
Ans. The centripetal force in vertical circular motion is the force that acts towards the center of the circular path, keeping the object moving in a circle. In the case of vertical circular motion, the centripetal force is provided by a combination of gravitational force and tension in the string or track, depending on the specific scenario.
3. How does the speed of an object change in vertical circular motion?
Ans. In vertical circular motion, the speed of an object varies throughout the motion. At the topmost point of the circle, where the gravitational force is directed downwards, the speed is at its minimum. As the object moves towards the bottom of the circle, the speed gradually increases due to the influence of gravity. At the bottommost point of the circle, the speed is at its maximum.
4. What is the minimum speed required for an object to complete a vertical loop?
Ans. To complete a vertical loop, an object must have a minimum speed at the topmost point of the loop. This minimum speed is determined by the force of gravity and the radius of the loop. The minimum speed can be calculated using the equation: v_min = √(g * r), where v_min is the minimum speed, g is the acceleration due to gravity, and r is the radius of the loop.
5. How does the direction of the net force change in vertical circular motion?
Ans. In vertical circular motion, the net force acting on the object changes direction as the object moves along the circular path. At the topmost point of the circle, the net force is directed towards the center of the circle, providing the necessary centripetal force. As the object moves towards the bottom of the circle, the net force gradually shifts and becomes a combination of the centripetal force and the gravitational force, pointing towards the bottom of the circle.
210 videos|156 docs|94 tests
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