MULTISTEP To drag a 75.0-kg log along the ground at
Chapter , Problem 40(choose chapter or problem)
MULTISTEP To drag a 75.0-kg log along the ground at constant velocity, your tractor has to pull it with a horizontal force of 250 N. (a) Draw the free-body diagram of the log. (b) Use Newtons laws to determine the force of friction on the log. (c) What is the normal force of the ground on the log? (d) What horizontal force must you exert if you want to give the log an acceleration of assuming the force of friction does not change. Redraw the logs free-body diagram for this situation.
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