help plz

JEE Mains 2015 Preparation › Mechanics questions › help plz

think of a vertical semicircle(Î©).a square plate is at rest at the lower most position at t=0 n moves as such Î¸=1.5t² wer Î¸ is in radian n tym is in sec .a small object p of mass 0.4 kg is temporarly fixed to the plate wid adhesive the adhesive force F tht must support at tym t=3 is ?
a)20 N
b)10 N
c)45.6 N
d)none

#Physics #Mechanics

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5 Answers

21

tapanmast Vora ·2009-05-09 10:50:03

wat is da use of SEMICIRCLE in this Question?

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vector ·2009-05-09 10:56:52

i dunno

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21

tapanmast Vora ·2009-05-09 11:02:44

Ï‰ = 3t

hey is da ans c?

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vector ·2009-05-09 11:04:20

ya plzz explain

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21

tapanmast Vora ·2009-05-09 11:07:32

[3] [4] Jus coz ther's a factor of 3 wich dusnt luk lykly to get cancelled by nething else and the other 2 options are multiples of 10

lemme think sum logic NOW

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Your Answer

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