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A 1010-kg car is being driven up a 6.03 ° hill. The frictional force is directed opposite to the motion of the car and has a magnitude of 546 N. A force F is applied to the car by the road and propels the car forward. In addition to these two forces, two other forces act on the car: its weight W and the normal force FNdirected perpendicular to the road surface. The length of the road up the hill is 263 m. What should be the magnitude of F, so that the net work done by all the forces acting on the car is 172 kJ?

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