Physicsmedium · Past Paper
An object weighs 10 N in air and 8 N when fully immersed in water. What is the upthrust acting on it?
A18 N
B2 N
C1.25 N
D80 N
✓ Correct Answer: B — 2 N
Upthrust = Weight in air - Weight in liquid = 10 N - 8 N = 2 N.
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