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Physics 22 Online
OpenStudy (anonymous):

I have a doubt which needs to be urgently solved cause i got a test tommorow!!!!!!!!The question is in the replies cause i cannot write a diagram or attach a diagram here!!!!!

OpenStudy (anonymous):

I want to know how can we find the vertical component of the force vector here for normal reaction using \[N _{a}\cos \Theta\] rather than \[N _{a} \sin \Theta \]

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