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ashna
Group Title
A potter moving vertically up the stairs with a suitcase on his head does work . why ?
 one year ago
 one year ago
ashna Group Title
A potter moving vertically up the stairs with a suitcase on his head does work . why ?
 one year ago
 one year ago

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akash123 Group TitleBest ResponseYou've already chosen the best response.1
try it by ur own...I'll help u
 one year ago

ashna Group TitleBest ResponseYou've already chosen the best response.0
but i dont know and that is why i asked this question , give me the hints :)
 one year ago

ashna Group TitleBest ResponseYou've already chosen the best response.0
and if you dunt mind can you teach me all types of questions like dis ?
 one year ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
1st make a block of mass m as I did in last question...
 one year ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
dw:1348895105918:dw
 one year ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
and coolie is holding it on his head...right?
 one year ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
now u have to tell...who or what is exerting force on this load?
 one year ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
1st earth is pulling towards its center by force mg..right?
 one year ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
dw:1348895307961:dw
 one year ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
and u have to find out..work done by the potter?
 one year ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
and the potter is exerting a force N on the load and the direction of force is vertically upward.
 one year ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
again work done by potter= Force. displacement = N *( displacement) * cos(theta)
 one year ago

ashna Group TitleBest ResponseYou've already chosen the best response.0
vertical so cos 0 = 1
 one year ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
now this time u have to tell the value of theta if potter is moving vertically up
 one year ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
yes...perfectly right...:)
 one year ago

akash123 Group TitleBest ResponseYou've already chosen the best response.1
so potter has done some work...because work done is not equal to zero
 one year ago

ashna Group TitleBest ResponseYou've already chosen the best response.0
yeah , okay ty :D
 one year ago
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