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anonymous
 3 years ago
A potter moving vertically up the stairs with a suitcase on his head does work . why ?
anonymous
 3 years ago
A potter moving vertically up the stairs with a suitcase on his head does work . why ?

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anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0try it by ur own...I'll help u

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0but i dont know and that is why i asked this question , give me the hints :)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0and if you dunt mind can you teach me all types of questions like dis ?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.01st make a block of mass m as I did in last question...

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1348895105918:dw

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0and coolie is holding it on his head...right?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0now u have to tell...who or what is exerting force on this load?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.01st earth is pulling towards its center by force mg..right?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0dw:1348895307961:dw

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0and u have to find out..work done by the potter?

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0and the potter is exerting a force N on the load and the direction of force is vertically upward.

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0again work done by potter= Force. displacement = N *( displacement) * cos(theta)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0vertical so cos 0 = 1

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0now this time u have to tell the value of theta if potter is moving vertically up

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0yes...perfectly right...:)

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0so potter has done some work...because work done is not equal to zero
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