(1) : When a rigid body is rotating about its own axis, all particles of that body have the same angular velocity.
(2) : All particles of the body have the same time period.

Both 1 and 2 are true and 2 is correct explanation of 1

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Both 1 and 2 are true and 2 is not correct explanation of 1

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1 is true and 2 is false

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1 is false and 2 is true

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Solution

The correct option is A Both 1 and 2 are true and 2 is correct explanation of 1
Since all the particles in the rigid body makes a complete rotation i.e. 360 degrees rotation in equal time, all the particle have same angular velocity.
Hence both (A) and (R) are true and (R) is the correction explanation of (A).

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Pick the correct option

t = 0

t = 12

SHM

\frac{1}{4} m ω^{2} A^{2}

\frac{1}{2} m ω^{2} A^{2}

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