Application of Newton's LawsFREE-BODY DIAGRAMSRev. 0Page 7CP-04Figure 2 CarWhen these steps are completed a correct free-body diagram will result, and the student canapply the appropriate equations to the diagram to find the proper solution. Example:The car in Figure 2 is being towed by a force of some magnitude. Constructa free-body diagram showing all the forces acting on the car.Solution:Following the steps to construct a free-body diagram (shown in Figure 3), theobject (the car) is chosen and isolated. All the forces acting on the car arerepresented with proper coordinate axes. Those forces are:F-The force applied to tow the carappF-The frictional force that opposes the applied force due to theKweight of the car and the nature of the surfaces (the car's tiresand the road)W-The weight of the carN-The normal force exerted by the road on the car

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