Problem
(I) Sketch the free-body diagram of a baseball (a) at the moment it is hit by the bat, and again (b) after it has left the bat and is flying toward the outfield. Ignore air resistance.
Solution 21P: Free body diagram of a body gives the diagrammatical representation of all the forces acting on the body in terms of magnitude and diagram, under the given situation. Step 1 of 2 A] When the ball is struck by the bat, there are two forces acting on ball, ignoring air resistance, 1) The weight of the ball in the downward direction 2) The force of the bat on the ball at an angle Figure below shows the sketch of the free body diagram at the moment it is hit by the bat