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wanos
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Homework Statement
an 85 kg man plans to tow a 109000 kg airplane along a runway by pulling on a cable attached to it at an angle 9 above the horizontal. the coefficient of static friction between his between his shoes and the runway is 0.77. what is the greatest acceleration that the man can give the plane assuming that the airplane is on wheels that turn without any frictional resistance.
Homework Equations
it depends which body I'm solving for. if we're studying the plane alone the pulling force would ultimately replace the man. and we use the mass of the plane alone, but then the plane has no friction because we assumed it was frictionless.
as for the man, the kinetic friction force. but does he have an acceleration? and if he does would it be the same as the plane's. if so, we can make one body diagram and the mass would be the sum of the man's and the plan's, in this case we would ignore the pulling force on the cable... would the static friction apply if we assume on big body?am I on the right track?