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![[Post New]](/templates/default/images/icon_minipost_new.gif) 23 Apr 2008 18:53:11 IST
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WHICH IS CORRECT ? (A)CONTECT FORCE >FRICTION FORCE (B)FRICTION FORCE >NORMAL FORCE (C)NORMAL FORCE > CONTECT FORCE (D)CONTECT FORCE > NORMAL FORCE
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23 Apr 2008 18:56:36 IST
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A because
frictional force = mu N
mu = fraction
correct me if i'm wrong
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23 Apr 2008 19:14:46 IST
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the answer is (a), becuase contact force is the vector sum of the normal and the frictional force ( which are perpendicular to each other). (d) is not the answer as contact force and frictional forces are are equal in case of zero friction. the reason given by ganesha may not be true
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24 Apr 2008 18:54:02 IST
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plz try more. these are not thewrite answers
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24 Apr 2008 18:58:12 IST
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is it more than one options correct type question or single one.
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24 Apr 2008 19:01:36 IST
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budokai_tenkaichi_returns plzzzzzz explain
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<TABLE CELLSPACING="1" CELLPADDING="1" BORDER="0">
<TR><TD>
      
<DIV ALIGN="right">Glitter Graphics</DIV></TD></TR></TABLE>
if i helped u plzzzzz rate me,,,,,,, |
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24 Apr 2008 19:05:45 IST
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oh no i cant believe my eyes!!! budokoi is solving ques.... do u do ne thing else also??? i thought u were good at repeating things only!!
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24 Apr 2008 19:09:48 IST
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OK then please solve my ques also!!
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24 Apr 2008 19:16:21 IST
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For a body at rest... contact force is not greater than the normal force.
(A) seems to be the rite answer...Can u pls expln Rathin?
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24 Apr 2008 20:34:21 IST
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(A)CONTECT FORCE >FRICTION FORCE
becoz FRICTION FORCE is a component of CONTECT FORCE
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it is not important where u stand, but in which direction u are moving |
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24 Apr 2008 20:35:19 IST
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hint from me ANSWERS ARE THEN ONE.
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24 Apr 2008 21:57:14 IST
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A and D. Contact force is a resultant of frictional force and normal force
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"A perfect mind is a treasure unsurpassed."
"It is said that human beings have 5 senses. That's because most of them lack the 6th - common sense."
-- astatine19 --
http://astatine19.blogspot.com/
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sorry but can i take ur avatar for rent
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Will nip in at times to solve problems :)
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24 Apr 2008 22:02:13 IST
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a , c,d ( c option may b true may not b true depending upon diff situations) ,d
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27 Apr 2008 13:09:43 IST
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yes the correct answers are (A) & (D).reason is
normal force & friction force are the componant of
the contact force.(B) can be correct but in case of
frictionless surface it cannot be correct.
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