On a sloping road, the driver of the 1.3-tonne car, with an almost constant 300 N thrust from its engine, brakes at point A while driving at 90 km/h. a- Calculate the kinetic friction coefficient of the road to stop by traveling 50 m. b- Calculate the stopping distance (using the kinetic friction coefficient you found in part a) when you apply the brakes while going downhill at the same speed from B to A.

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Forming and Shaping

Metal forming is a category of metalworking process through which the material can be given the desired shape and size by subjecting it to plastic deformation, where the component undergoes bulk deformation process upon application of loads. Unlike the shearing and machining process, the material does not undergo up to a failure point as indicated in the stress-strain curve. Hence, the stresses induced during the forming process are greater than yield strength but less than the failure strength of the material. The process does not lead to the loss of material, so it can be said to be an economical process. During forming, the material is subjected to tensile forces, compressive forces, bending, and shearing loading conditions. The material should possess the property of ductility to undergo the forming process.