As shown in the figure, two blocks of 4kg and 8kg are tied together on two inclined planes with a rope passed through a frictionless reel. The friction between the 4kg mass and the surface and the friction coefficient is 0.15. (The distance between g = 10 m / s2 and A-B is 30 m.) a) Find the magnitude and direction of the acceleration of each block. b) Find the tensions in the rope. c) Using energy conservation, find the speed of the 8kg mass when the 4kg mass moves from A to B. d) Calculate the change in 4kg mass kinetic energy.

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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.