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Q.

A block of density ρ is floating in liquid of density σ as shown. Container is accelerated upwards with acceleration 2a. There are two observers A and B as shown in the figure. Observer A is accelerating upward with acceleration "2a" while observer B is accelerating downwards with acceleration "a" Choose the correct option: 

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a

All are true

b

Buoyant force on block will be more for A compare to B.

c

Pressure at a point P will be more as per observer A compare to observer B.

d

Buoyant force on block will be same for both observers.

answer is C.

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Buoyant force is a real force and is same in all frames.

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