The wagon and the girl, shown In the following figure, has a weight of 100 N located at the center of gravity G. The front wheel is free to roll; the coefficient of friction for the rear wheel at 'A' is HA. If the applied force F = 50N will cause the system just to move, the friction force at 'A' is: F (50 N) 30° a'a 1 m 1 m 0.5 m 0.5 m Select one: a. 0.938 N b. 43.3 N c. 50 N d. 46.13 N

The wagon and the girl, shown In the following figure, has a weight of 100 N located at the center of gravity G. The front wheel is free to roll; the coefficient of friction for the rear wheel at 'A' is HA. If the applied force F = 50N will cause the system just to move, the friction force at 'A' is: F (50 N) 30° a'a 1 m 1 m 0.5 m 0.5 m Select one: a. 0.938 N b. 43.3 N c. 50 N d. 46.13 N

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.81P: Calculate the horizontal force P required to push the 85-lb lawn mower at constant speed. The center...

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