A disc of massm and radius R is placed over placed over of mass m. There is sufficient friction between disc & plank to prevent slipping. A force F is applied at centre of disc then

A disc of massm and radius R is placed over placed over of mass m. The

1.	A disc of massm and radius R is placed over placed over of mass m. There is sufficient friction between disc & plank to prevent slipping. A force F is applied at centre of disc then
Answer» Acceleration of plank is `(F)/(2m)` Acceteration of plank is `(F)/(4m)` FRICTION FORCE between DISC and plank is F/4 Friction force between disc and plank is F/3 Answer :B::C