Is it conservative?

A solid, rolling ball, will begin to roll without slipping when v = r ω v=r\omega . If the ball begins with v > r ω v>r\omega , it has to dissipate some kinetic energy before it begins to roll. This means at least one of the forces here is non-conservative. Which of the following forces is non-conservative?

Friction Normal All are conservative Gravity

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1 solution

Prince Loomba
Jun 16, 2016

Friction is non conservative always.

When it's deformed - friction does work, because the the particles at the bottom do not move with zero velocity, with respect to the ground.

Ameya Daigavane - 4 years, 12 months ago

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