A collar \( B \) of mass \( 2 \mathrm{~kg} \) is constrained to move along a horizontal smooth a... VIDEO
A collar \( B \) of mass \( 2 \mathrm{~kg} \) is constrained to move along a horizontal smooth and fixed circular track of radius \( 5 \mathrm{~m} \). The spring lying in the plane of the circular track and having spring constant \( 200 \mathrm{Nm}^{-1} \) is undeformed when the collar is at \( A \). If the collar starts from rest at \( B \), the normal reaction exerted by the track on the collar when it passes through \( A \) ishttps://bit.ly/YTAI_PWAP https://www.pw.live
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