The car shown below has a. weight of 4000 lb and a center of gravity at G. The c

Question

The car shown below has a. weight of 4000 lb and a center of gravity at G. The coefficient of static friction between its wheels and the ground is mu s = 0.4. Suppose we wish to determine the greatest angle of till 0 it can have before slipping or tipping over. In this case, we assume the location of the friction force is at the middle of each tire (i.c. there are two of them). Draw the FBD for the ease when slipping is assumed, and write down the 3 equilibrium equations (do not solve!). Is there a solution to the equations in l) which would not make sense physically? Hint: think about the direction of the normal force under each tire.

Explanation / Answer

Normal force is always perpendicular to the surface of contact

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