Questions
Two identical rods each of length l and mass m are welded together at right angles and then suspended from a knife-edge as shown. Angular frequency of small oscillations of the system in its own plane about the point of suspension is
detailed solution
Correct option is B
C is combined centre of mass.h = l2cos45° = l22Moments of Inertia of rods about O: I = 2ml23T =2πI2mgh = 2π2ml2223[2mg]l = 2π22l3gAngular frequency: ω = 2πT = 3g22lTalk to our academic expert!
Similar Questions
The identical springs of constant ‘K’ are connected in series and parallel as shown in figure A mass M is suspended from them. The ratio of their frequencies of vertical oscillations will be
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