A uniform thin rod of length 8m is released from rest from the position shown The acceleration of point - Physics - Electric Charges And Fields

Question

A uniform thin rod of
length 8m is released from rest from the position shown The
acceleration of point at x = 
 m just after release is

Chirag Manchanda · Accepted Answer

Dear Student,Taking Moment about the hinge of the rod , mg× l2 ​  =(M
I)×α , ( Where (M
 I)= ml23   (Moment of Inertia))[ m=mass of rod, l= length of rod =8m, g = gravity, α = angular acceleration] ⇒α= 3g2l=3×102×8=158Acceleration at point x = ax = xα =15x8 = 83(Given)Thus, x = 6445mRegards

A uniform thin rod of length 8m is released from rest from the position shown. The acceleration of point at x = m just after release is