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PHYSICS

JAMB 2011 - Question 15

Physics 2011 JAMB Past Questions - Question 15: An object weighs 22kg in water and 30kg in air .What is the upthrust exerted by the liquid on the object ?< g =10ms²>

Choose the correct answers from the options given.

An object weighs 22kg in water and 30kg in air .What is the upthrust exerted by the liquid on the object ?< g =10ms²>

A: 220 N

B: 80 N

C: 50 N

D: 520 N

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Correct Answer

Explanation

upthrust = weight in air - weight in liquid = 30 x 10 - 22 x 10 = 300 - 220 = 80 N