Assertion :The force acting on the surface of a liquid at rest, under gravity, in a container is always horizontal. Reason: The forces acting on a fluid at rest have to be normal to the surface.

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
The free surface of a liquid (ideal) at rest, under gravity taken in a container is always horizontal. As at fluid at rest has no shear stress acts and the force acting have to be normal to the surface.

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