Physics of Baseball: Bat force vs. ball force


(music) Jahred Adelman (Assistant Professor, Physics):
When a hitter swings the bat and hits the ball, Newton’s third law tells us that the
bat exerts a force on the ball, but then the ball then exerts a force back on the bat.
The hitter’s bat weighs a lot more than the baseball and Newton’s second law tells us
that the bat will decelerate a little bit, but the ball will accelerate a lot back into
the field, perhaps for a home-run. (music)

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