Physics - Elasticity Question with Solution | TestHub

PhysicsElasticityMiscellaneousMedium2 minQB

PhysicsMediumsingle choice

A fixed-end steel wire is pulled by constant force $F$ at its other end, reaching equilibrium extension $l$ . Which is not correct?

Answer:

Solution:

Work is $Fl$ .

Stored energy is $\frac{Fl}{2}$ .

Dissipated energy is $Fl - \frac{Fl}{2} = \frac{Fl}{2}$ .

Heat equals stored energy, not half of it.

Stream:JEESubject:PhysicsTopic:ElasticitySubtopic:Miscellaneous

⏱ 2mℹ️ Source: QB

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