A baseball is hit high into the upper bleachers of left field.Over its entire flight the work done by gravity and the work done by air resistance, respectively, are:

Question

Quizplus · Accepted Answer

The work done by gravity is negative because gravity acts downward, opposite to the direction of the ball's initial motion. The work done by air resistance is also negative because air resistance opposes the motion of the ball throughout its flight.

A Baseball Is Hit High into the Upper Bleachers of Left