A person throws an object on a horizontal frictionless plane surface. It is noticed that there are two forces acting on this object -(i) gravitational pull and (ii) normal reaction of the surface. According to the third law of motion, the net resultant force is zero. Which one of the following can be said for the motion of the object?

• A. The object will move with acceleration.
• B. The object will move with deceleration.
• C. The object will move with constant speed, but varying direction.
• D. The object will move with constant velocity.