Question Answers

Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A rectangular block of mass M and height a is resting on a smooth level surface. A force F is applied to one corner as shown in Fig. At what point should a parallel force 3F be applied in order that the block shall undergo pure translational motion? Assume normal contact force a between the block and surface passes through the centre of gravity of the block.

A rectangular block of mass M and height a is resting on a smooth level surface. A force F is applied to one corner as shown in Fig. At what point should a parallel force 3F be applied in order that the block shall undergo pure translational motion? Assume normal contact force a between the block and surface passes through the centre of gravity of the block.

A thin rod of length 4l mass 4 m is bent at the point as shown in the figure. What is the moment of inertia of the rod about the axis passing through O and perpendicular to the plane of the paper?