Streamline and Turbulent Flow :: Discussion


7.A body of mass 15kg is dropped into the water. If the apparent weight of the body is 107N, then the applied thrust will be?
A.40 N
B.80 N
C.60 N
D.100 N
Answer:  Option  A
Explanation:

Apparent weight = Weight – Upthrust
Therefore, Upthrust = Weight – apparent weight
Upthrust = 15 × 9.8 – 107 = 147 – 107 = 40 N.

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Published by:Michael Daani

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