The torque of an object is expressed as:

$\overline{){\mathbf{\tau}}{\mathbf{=}}{\mathbf{r}}{\mathbf{\times}}{\mathbf{F}}}$, where F is the force acting at distance r from the point about which the moment of force is to be found.

A horse weighs 5000 N. The distance between the front and rear hooves L_{1} = 1.7m and the distance from the rear hooves to the center of mass L_{2} = 1.15m for the horse are shown in Figure 1. What fraction of the horse's weight is borne by the front hooves?

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