Physics - Heat & Thermo Question with Solution | TestHub
PhysicsHeat & ThermoThermal ExpansionMedium2 minQB
PhysicsMediumsingle choice
A square metal plate with a hole is at temperature on a smooth horizontal surface. Points and are marked; is the centre of mass of the plate with its hole, as shown. When its temperature is increased:
Options:
Answer:
B
Solution:
The plate's centre of mass lies left of its geometric centre because the hole is on the right.
The centre of mass stays fixed.
Expansion moves point to the right, as shown.
Stream:JEESubject:PhysicsTopic:Heat & ThermoSubtopic:Thermal Expansion
⏱ 2mℹ️ Source: QB
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