1.

Two blocks of masses M_(1) and M_(2) connected by a light spring rest on a horizontal plane . The coefficient of friction between the blocks and the surface is equal to mu . The minimum constant force that has to be applied in the horizontal direction to the block of mass M_(1) in order to shift the other block is (M_(1) + (M_(2))/(alpha)) mu g, then alphais :

Answer»


SOLUTION :
`F = MU M_(1) G + T "" ….(i)`
`T = muM_(2) g "" …..(II)`
By solving , we get `alpha`.


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