# It is a Question!

• July 14th 2006, 02:53 PM
babygirl
It is a Question!
Under what conditions would kinetic energy not be conserved? Explain each response and back up your response using principles of physics.
• July 14th 2006, 09:30 PM
topsquark
Quote:

Originally Posted by babygirl
Under what conditions would kinetic energy not be conserved? Explain each response and back up your response using principles of physics.

Consider the Work-Energy Theorem. $W = \Delta KE$ For KE to be conserved, W must be zero. Under what conditions would W not be equal to zero?

-Dan