A string is wound around a pulley whose center is fixed to a wall, and the other end of the string is wound around a spool that can move freely. The pulley is solid and has uniform density, the spool can be considered just a ring. Both objects have equal masses and radii. Both the pulley and spool start at rest, then the spool is released. The distance the spool drops is equal to the length of the string (a) Find the relationship between the rotational velocity and radius of the spool with the spool's linear velocity. (b) Find the linear velocity of the spool after it has fallen 5 meters.

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Q: b m

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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.