Question

What is axis of rotation

Answer 1

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• Purely rotational motion occurs if every particle in the body moves in a circle about a single line.
• This line is called the axis of rotation. Then the radius vectors from the axis to all particles undergo the same angular displacement at the same time.
• The axis of rotation need not go through the body.

Answer 2

Answer:

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.