Question: No work is done by gravity on a bowling ball resting or moving on a bowling alley, because the force of gravity on the ball

No work is done by gravity on a bowling ball resting or moving on a bowling alley, because the force of gravity on the ball acts perpendicular to the surface. But on an incline, the force of gravity has a vector component parallel to the alley, as sketch b shows. Discuss two ways in which this component

(a) Accounts for acceleration of the ball,

(b) Accounts for work done on the ball to change its kinetic energy.

to B

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