The rear wheels of a truck support 57.0 % of the weight of the truck, while the front wheels support 43.0 % of the weight. the center of gravity of the truck is 1.68 m in front of the rear wheels.

what is the wheelbase of the truck (the distance between the front and rear wheels)? express your answer with the appropriate units.

To solve the problem it is necessary to apply the concepts related to torque, as well as the concepts where the Force is defined as a function of mass and acceleration, which in this case is gravity.

Considering the system in equilibrium, we perform sum of moments in the rear wheel (R2)

Another of the parameters given in the problem is that the front wheel supports 43% of the weight, that is

Replacing, we have to

Therefore the wheelbase of the truck is 3.9m between the front and the rear.

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