Consider a cylinder of mass M resting on a rough horizontal rug that is pulled out from under it with acceleration ' a ' perpendicular to the axis of the cylinder .What is $\;F_{friction}\;$ at point P ? It is assumed that the cylinder does not slip .

Question

$(a)\;\normalsize Mg\qquad(b)\;\normalsize Ma\qquad(c)\;\large\frac{Ma}{2}\qquad(d)\;\large\frac{Ma}{3}$