K.C.S.E Physics Q & A - MODEL 2005PP1QN03

12/7/2020

K.C.S.E Physics Q & A - MODEL 2005PP1QN03

The light uniform bar in Fig 3 is equilibrium. The two beakers A and B contain water at the same temperature. The two blocks are made of the same material.

If the temperature of the water in beaker A is now raised, explain why the beam tips to side A.
Assume the solid does not expand.

answer

Water in A expands reducing/lowers density
This reduces/lowers up-thrust on block causing tipping to side A

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FORM I - PHYSICS SYLLABUS

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