NTSE Stage 2 SAT 2017 Question Paper

Question : 33 of 100

Marks: +1, -0

A beaker half-filled with water is put on a platform balance which is then set to zero. A 800 g mass is immersed partially in water using a spring balance as shown in the figure. If the spring balance reads 300 g, what will be the reading on the platform balance ?

200 g
300 g
500 g
800 g

Validate

Solution:

Buoyant force= loss in weight =

800 – 300 = 500 \g

Force exerted by water on submerged mass is action and as a reaction the submerged mass exerts same force of the water, which is measured by the platform balance.

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