A 4,800 N disco ball hangs from the ceiling. What is the mass of the disco ball? What force (magnitude and direction) does the chain exert on it? Give the Tensionai force acting on the Ball. A weightlifter pushes a 137 kg box with a 35 N horizontal force along a frictionless level surface. What is the acceleration is given to the box? A bullet is fired at an angle of 27" above the horizontal with a velocity of 500 mls. Find the a) range, b) time before it returns to the same level