1. What is meant by Circular Motion? Give two examples.
2. Give three example of objects showing circular Motion
3. How will you calculate the speed of a body exhibiting uniform .
circular Motion?
4. Write Difference between Uniform linear motion and Uniform
circular Motion.
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Answers
Answer:
1. In circular motion, velocity is tangentical to the circular path.
two examples
1an artificial satellite orbiting the Earth at constant height,
2. a stone which is tied to a rope and is being swung in circles,
Answer:
When a particle moves along a circular path, its direction changes every moment. The speed of the.particles may change or remain constant. If the speed of the particle moving in a circle is same, it is.said to be in uniform circular motion. Since the direction of the particle is changing every moment, its velocity is continuously changing. Thus, the motion of the body along circular path is an example of accelerated motion. This acceleration acts towards the centre of the circle and hence, called centripetal or radial acceleration.