1.

A block of mass m slides down on a wedgeof mass M as shown infigure .Let a_(1) be the asseleration of the acceleration of and a_(2) the the acceleration od block 1N_(1) is the normal reaction between block and wedge and N_(2) the normal reaction between wedge and gound .frication is absent everwhere .Select the correct alternative(s)

Answer»

`N_(2)lt(M+m)g`
`N_(2)LTM(g COS theta-|a_(1)|SINTHETA)`
`N_(1)sin theta=M|a_(1)|`
`ma_(2)=-Ma_(1)`

Answer :a,b,c


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