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Physics - Circular Motion Question with Solution | TestHub

PhysicsCircular MotionMiscellaneousEasy2 minPYQ_2020

PhysicsEasysingle choice

A stone of mass $1 kg$ tied to the end of a string of length $1 m$ , is whirled in a horizontal circle with a uniform angular velocity $2 r a d s^{- 1}$ . The tension of the string is (in newton)

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Answer:

Solution:

Tension in string will provide required centripetal force.
The tension of the string,
$T = m r ω^{2}$

$= 1 \times 1 \times {(2)}^{2} = 4 N$

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Circular MotionSubtopic:Miscellaneous

⏱ 2mℹ️ Source: PYQ_2020

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