A block of mass 2 kg is placed on the floor. The co-efficient of static friction is 0.4. The force of friction between the block and floor is

A block of mass 2 kg is placed on the floor. The co-efficient of stati

1.	A block of mass 2 kg is placed on the floor. The co-efficient of static friction is 0.4. The force of friction between the block and floor is
Answer» 2.8 N 7.8 N 2N zero SOLUTION :The FORCE required to move ` =MUR = mu mg = 0.4 xx 2 xx 9.8 = 7.84 N`