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Roti
21-07-2005, 01:11 AM
a trolley move at constant v 3ms-1 on a smooth horizontal surface.if sand is dropped perpendicular on the trolley at the rate of 0 kg per minute,what is the horizontal force required to maintain the movement of the trolley at constant v 3 ms-1
taufiq
21-07-2005, 01:56 AM
i'll pass... not so good in physics.. :oops:
DecentMerson
21-07-2005, 03:37 AM
a trolley move at constant v 3ms-1 on a smooth horizontal surface.if sand is dropped perpendicular on the trolley at the rate of 0 kg per minute,what is the horizontal force required to maintain the movement of the trolley at constant v 3 ms-1

0 kg per minute?? typo...
or izzit a trick question... hmm... i'm rusty...
kucingbiru
21-07-2005, 07:05 AM
u might wanna post it in the Physics thread.
kucingbiru
21-07-2005, 03:17 PM
a trolley move at constant v 3ms-1 on a smooth horizontal surface.if sand is dropped perpendicular on the trolley at the rate of 0 kg per minute,what is the horizontal force required to maintain the movement of the trolley at constant v 3 ms-1

the solution is in Physics STPM thread.
http://recom.org/modules.php?name=Forums&file=viewtopic&p=66538#66538