A particle of mass m is placed upon the smooth face of a prism, also of mass m, which particle is placed , is inclined at an angle `alpha` to the hori
A particle of mass m is placed upon the smooth face of a prism, also of mass m, which particle is placed , is inclined at an angle `alpha` to the horizontal . Show that when the particle has moved a distance x down the face of the prism the prism itself will have moved a distance of `(1)/(2)x "cos" alpha`
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