Distinguish between circular motion and rotational motion by giving an example. (Any 2 points)
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Explanation:
Circular Motion :
In physics, circular motion is a movement of an object along the circumference of a circle or rotation along a circular path. It can be uniform, with constant angular rate of rotation and constant speed, or non-uniform with a changing rate of rotation. Example : Artificial satellite orbiting the Earth
Rotational Motion :
Rotation around a fixed axis is a special case of rotational motion. The fixed-axis hypothesis excludes the possibility of an axis changing its orientation and cannot describe such phenomena as wobbling or precession. Example : Merry go round ,bicycle wheels
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→ Circular motion and Rotational motion:
- A circular motion is a motion in which an object just moves in a circle such as a stone is tied to a rope that is being swung in circles. at a fixed axis object is rotated.
- A rotational motion is a motion in which an object rotates about an axis such as wheel motion, motors, earth rotation, etc. axis of object rotation lies inside the object.
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