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Assertion: A particle of mass m takes un...

Assertion: A particle of mass `m` takes uniform horizontal circular motion inside a smooth funnel as shown. Normal reaction in this case is not `mgcostheta` .

Reason: Acceleration of particle is not along the surface of funnel.

A

If both Assertion and Reason are true and the Reason is correct explanation of the Assertion.

B

If both Assertion and Reason are true but Reason is not the correct explanation of Assertion.

C

If Assertion is true, true but the Reason is false.

D

If Assertion is false but the Reason is true.

Text Solution

Verified by Experts

The correct Answer is:
A

`Ncostheta=mg`
`implies N=mgsectheta`
and `Nsintheta=(mv^(2))/(R)`
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