Physics - NLM Question with Solution | TestHub
PhysicsNLMFBD & EquilibriumMedium2 minQB
PhysicsMediumstatement
Statement I: The tension in the cable of an elevator equals the total weight of the elevator and passengers whenever the elevator moves with constant velocity, whether up or down.
Statement II: The tension exceeds the total weight while the elevator accelerates upward from rest, and falls below it while the elevator slows to a stop at the top.
Options:
Answer:
A
Solution:
Constant velocity means zero acceleration and
.
Starting up needs
;
stopping while going up means downward acceleration and
.
Both statements are true.
Option A.
Stream:JEESubject:PhysicsTopic:NLMSubtopic:FBD & Equilibrium
⏱ 2mℹ️ Source: QB
Doubts & Discussion
Loading discussions...
