A block of weight 200 N is pulled along a rough horizontal surface at constant speed by a force 100 N acting at an angle 30^(@) above the horizontal. The coefficient of friction between the block and the surface is

A block of weight 200 N is pulled along a rough horizontal surface at

1.	A block of weight 200 N is pulled along a rough horizontal surface at constant speed by a force 100 N acting at an angle 30^(@) above the horizontal. The coefficient of friction between the block and the surface is
Answer» `0.43` `0.58` `0.75` `0.85` ANSWER :B