the body weight 540N is halved along a rough horizontal plane by a pull of 180N acting at an angle of 30 with the horizontal. find co-efficient of friction?
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let coff of friction be z.
break the force on body into its components
vertical component will be balanced by normal
if zmg=mg+ horizontal component
find z.
break the force on body into its components
vertical component will be balanced by normal
if zmg=mg+ horizontal component
find z.
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