Newtons laws of motion:
First law: Law of inertia: Every body continues to be in its state of rest or of uniform motion in a straight line unless compelled to change that state by an external unbalanced...
Question:
A father starts from home at 3pm to pick his son from school at 4pm. one day the school got over early at 3pm. The son started walking home. He met his father on way and both returned home...