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Circular Motion Introduction and Characteristics Quiz
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Circular Motion Introduction and Characteristics Quiz

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@ZippyErudition

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Questions and Answers

What is Uniform Circular Motion (UCM)?

Circular motion where the speed of the particle remains constant.

What is the centripetal acceleration responsible for in UCM?

Changing the direction of velocity towards the centre of the circular motion.

How can you determine the direction of angular velocity in rotational dynamics?

Curl the fingers of the right hand along the sense of rotation, with the thumb outstretched.

What is Non-uniform Circular Motion?

<p>When the speeds of particles go on increasing or decreasing for some time, but always with tangential directions.</p> Signup and view all the answers

What is the significance of the centripetal acceleration in circular motion?

<p>It keeps the particle moving in a circular path by pulling it towards the center.</p> Signup and view all the answers

How do you determine the direction of linear velocity and acceleration in circular motion?

<p>For linear velocity, it is always tangential to the path; for acceleration, it is directed towards the center of the circle.</p> Signup and view all the answers

What are the characteristics of circular motion?

<ol> <li>It is an accelerated motion. 2) It is a periodic motion.</li> </ol> Signup and view all the answers

How is circular motion described in terms of kinematics?

<p>Circular motion is described using angular displacement, angular velocity, and angular acceleration, analogous to displacement, velocity, and acceleration in translational motion.</p> Signup and view all the answers

What is the relationship between tangential velocity and angular velocity in circular motion?

<p>The tangential velocity v is equal to the product of the angular velocity ω and the radius r, given by v = ωr.</p> Signup and view all the answers

How is the direction of angular velocity determined in circular motion?

<p>The direction of angular velocity ω is always along the axis of rotation and is determined by the right-hand thumb rule.</p> Signup and view all the answers

What distinguishes revolution from rotation in circular motion?

<p>During revolution, the object undergoes circular motion about some point outside the object or another object, while during rotation, the motion is about an axis of rotation passing through the object.</p> Signup and view all the answers

Why is circular motion considered an accelerated motion?

<p>Circular motion is considered accelerated because the direction of velocity changes at every instant.</p> Signup and view all the answers

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