Physics - Circular Motion Question with Solution | TestHub

PhysicsCircular MotionMiscellaneousEasy2 minPYQ_2020
PhysicsEasysingle choice

A ball of massm=0.5 kgis attached to the end of a string having lengthL=0.5 m. The ball is rotated on a horizontal circular path about the vertical axis. The maximum tension that the string can bear is324 N. The maximum possible value of the angular velocity of ball (inrad s-1) is

Options:

Answer:
D
Solution:

Tsinθ=mω2r

Tsinθ=mω2Lsinθ

       

⇒T=mω2L

⇒ 324=12ω212

Therefore ω=36 rad s-1

Stream:NTA_ABHYAS_NEETSubject:PhysicsTopic:Circular MotionSubtopic:Miscellaneous
⏱ 2mℹ️ Source: PYQ_2020

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