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

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akash123
 2 years ago
Best ResponseYou've already chosen the best response.1try it by ur own...I'll help u

ashna
 2 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 :)

ashna
 2 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 ?

akash123
 2 years ago
Best ResponseYou've already chosen the best response.11st make a block of mass m as I did in last question...

akash123
 2 years ago
Best ResponseYou've already chosen the best response.1and coolie is holding it on his head...right?

akash123
 2 years ago
Best ResponseYou've already chosen the best response.1now u have to tell...who or what is exerting force on this load?

akash123
 2 years ago
Best ResponseYou've already chosen the best response.11st earth is pulling towards its center by force mg..right?

akash123
 2 years ago
Best ResponseYou've already chosen the best response.1and u have to find out..work done by the potter?

akash123
 2 years ago
Best ResponseYou've already chosen the best response.1and the potter is exerting a force N on the load and the direction of force is vertically upward.

akash123
 2 years ago
Best ResponseYou've already chosen the best response.1again work done by potter= Force. displacement = N *( displacement) * cos(theta)

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

akash123
 2 years ago
Best ResponseYou've already chosen the best response.1yes...perfectly right...:)

akash123
 2 years ago
Best ResponseYou've already chosen the best response.1so potter has done some work...because work done is not equal to zero
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