Questions
A particle of mass m is fixed to one end of light spring of force constant k and unstretched length I as shown in fig. (5). The system is rotated about the other end of
the spring with angular velocity o in gravity free space. The increase in length of the spring will be
detailed solution
Correct option is B
Let the extension produced in the springs due to rotation be x. For the equilibrium of the bodykx=m(l+x)ω2or kx=mlω2+mxω2or kx−mxω2=mlω2x=mlω2k−mω2Talk to our academic expert!
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Velocity vector and acceleration vector in a uniform circular motion are related as
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