Processing math: 100%

A 650KW power engine of a vehicle of mass 1.5105kg is rising on an inclined plane of inclination 1 in 100 with a constant speed of 60km/hr. Find the frictional force between the wheels of the vehicle and the plane.

Given,

Power of engine (P)=650kw=650000W
Mass of vehicle m=1.5105kg
Inclination Sinθ=1100
Speed of vehicle (v)=60km/hr=6010006060=503m/s
Frictional force (fr)=?

We have, total upwarding force F=fr+mgsinθ    ⇒    Pv=fr+mgsinθ
or, fr=Pvmgsinθ  =  6500003501.5105101100 = 24000N
Hence, fractional force between the wheels of the vehicles and the plane is 24000N.

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