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The mine car and its contents have a total mass of 7.8 Mg and a center of gravity at G. The coefficient of static friction between the wheels and the tracks is , = 0.4 when the wheels are locked. The brakes at both A and B are locked. (Figure 1) Part A Find the normal force acting on the front wheels at B. Express your answer to three significant figures and include the appropriate units. NB = Submit HA Value Request Answer Units ?

The mine car and its contents have a total mass of 7.8 Mg and a center of gravity at G. The coefficient of static friction between the wheels and the tracks is , = 0.4 when the wheels are locked. The brakes at both A and B are locked. (Figure 1) Part A Find the normal force acting on the front wheels at B. Express your answer to three significant figures and include the appropriate units. NB = Submit HA Value Request Answer Units ?

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The mine car and its contents have a total mass of 7.8 Mg and a center of gravity at G. The coefficient of static friction between the wheels and the tracks is μ = 0.4 when the wheels are locked. The brakes at both A and B are locked. (Figure 1) Figure 10 kN 4300 0.9 m .G -0.6 m- < 1 of 1 -1.5 m- A 0.15 m FACE Part A Find the normal force acting on the front wheels at B. Express your answer to three significant figures and include the appropriate units. NB = Value Submit Part B μA S NA = Submit Request Answer Find the normal force acting on the rear wheels at A. Express your answer to three significant figures and include the appropriate units. |µA 9 Value Request Answer Units Part C Complete previous part(s) ? Units ?
Transcribed Image Text:The mine car and its contents have a total mass of 7.8 Mg and a center of gravity at G. The coefficient of static friction between the wheels and the tracks is μ = 0.4 when the wheels are locked. The brakes at both A and B are locked. (Figure 1) Figure 10 kN 4300 0.9 m .G -0.6 m- < 1 of 1 -1.5 m- A 0.15 m FACE Part A Find the normal force acting on the front wheels at B. Express your answer to three significant figures and include the appropriate units. NB = Value Submit Part B μA S NA = Submit Request Answer Find the normal force acting on the rear wheels at A. Express your answer to three significant figures and include the appropriate units. |µA 9 Value Request Answer Units Part C Complete previous part(s) ? Units ?
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