學士後西醫物理及化學題庫下載題庫

37. An estimated force-time curve for a baseball struck by a bat is shown in the figure. From this curve, determine the average force exerted on the ball.

(A) 3 kN
(B) 5 kN
(C) 6 kN
(D) 7 kN
(E) 9 kN