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Standard VIII
Physics
Question

A body measures 5N in air and 2N when put in water. The buoyant force is :-
  1. 2 N
  2. 9N
  3. None of these
  4. 3N

A
None of these
B
9N
C
2 N
D
3N
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Solution
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Buoyant force applied by the water is F=5−2=3N as weight of water displaced is equal to the buoyant force.

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