PDA

View Full Version : work and energy problem!!


ra2000a
Nov23-04, 07:27 PM
can someone help me explain this problem?

http://docushare.capousd.org/docushare/dsweb/GetRendition/Document-158/html

thanks ..

thermodynamicaldude
Nov24-04, 01:43 AM
...think...when the car is at rest...what forces are acting on it? What forces are acting on the ball? Is the ball in equilibrium?

...when the car is accelerated up the incline...how does this acceleration affect the ball (remember, princaple of equivalence?)