Bulldozer Dragging Log · PhysicsBowl 2024 #17

Physics · mechanics

Problem

At a construction site, a bulldozer drags a log weighing 500 N along a rough, horizontal surface. The cable attached to the log makes an angle of 30.0° with the ground. The coefficient of static friction between the log and the ground is 0.500. What minimum tension is required in the cable for the log to begin to move? a. 125 N b. 224 N c. 289 N d. 500 N e. 577 N

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