A block of mass is pulled along a rough horizontal floor by a force making an angle…
PHYSICS · Single correct · CBSE · Physics · Laws of Motion · Laws of Motion
Problem
A block of mass m is pulled along a rough horizontal floor by a force F making an angle θ above the horizontal. What is the normal reaction exerted by the floor on the block?
(a) mg+Fsinθ
(b) mg−Fcosθ
(c) mg−Fsinθ
(d) mg