Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermal ExpansionMedium2 minQB
PhysicsMediumsingle choice
A uniform circular disc with the hole lies over a smooth horizontal surface, C is centre of the disc and A is a point on the rim of the disc as shown. As the temperature is increased.
Options:
Answer:
D
Solution:
The centre of mass stays fixed on the smooth surface.
The off-centre cavity makes the centre of mass lie right of C.
Uniform expansion moves C left and the right-rim point A right.
Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB
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