3. Car A has a mass of 1.4 Mg with center of gravity at point G as shown in Fig. 3. If car B exert a 2 kN, determine whether the force is sufficient to move car A. The static and dynamic friction coefficients between tyre and the road are μ, = 0,5 and μ = 0,35. Assume the surface of car B bumper to be frictionless. 0.5 m 0.8 m 0.8 m 2 KN 0.4 m Gambar 3. Tyre-Road friction

3. Car A has a mass of 1.4 Mg with center of gravity at point G as shown in Fig. 3. If car B exert a 2 kN, determine whether the force is sufficient to move car A. The static and dynamic friction coefficients between tyre and the road are μ, = 0,5 and μ = 0,35. Assume the surface of car B bumper to be frictionless. 0.5 m 0.8 m 0.8 m 2 KN 0.4 m Gambar 3. Tyre-Road friction

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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Two identical chairs, each weighing 14 lb, are stacked as shown. The center of gravity of each chair is denoted by G. The coefficient of static friction is 0.2 at B (the contact point between the chairs) and 0.35 at A, C, and D. Determine the smallest force P that would cause sliding.
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