Question

A truck of mass 2000kg moving on a highway experiences an average frictional force of 800N. If it's speed increases from 25m/s to 35m/s over a distance of 500m what is the force generated by the truck .
bobpursley
vf^2=vi^2+2ad

but a=netforce/mass

35^2=25^2+2*(Fgenerated-Friction)*d/mass

friction=800N, d=500m
solve for Fgenerated.

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