A rolling ball will eventually stop rolling. Which describes one reason why this happens?
The ball eventually loses its energy.
Friction converts some of the energy into heat energy.
Friction converts some of the energy into kinetic energy.

Question

A rolling ball will eventually stop rolling. Which describes one reason why this happens?
The ball eventually loses its energy.
Friction converts some of the energy into heat energy.
Friction converts some of the energy into kinetic energy.

anonymous · Answer

We say kinetic energy has been lost."
thats kinda wrong .. we say kinetic energy has been STORED up as potential energy and RECOVERED during the backward motion.

when it is converted to Heat.. then K.E is LOST.. cause it cannot be recovered

anonymous · Answer

ok