Question
Sat September 17, 2011 By:
TWO BLOCK SYSTEM : (frictionless surface)
 
minimum value of F so that "m" falls freely is given by
F=Mg cot theta
 
wedge M moves with acceleration

explain and derive those formulae given below ? plz write all derivation steps and also show all the forces acting on the block and body .

Expert Reply
Tue October 11, 2011
F = m.a
F = ma cos theta
 
Mg cot theta = m (g cot theta) cos theta
 
So, M = m cos (theta)
 
In the case where M = m , cos theta = 1
 
So, theta = 0 degree.
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