A door hinged on the right is shown in the diagram below: The door is 0.8m wide and 2.2m tall. 1. Now calculate the torque applied to the door with your force as drawn. 2. If friction is negligible, calculate the angular acceleration of the door. 3. Explain how the acceleration would change if the door was not made of solid wood but rather was hollow with thin wood on the faces in a heavy steel frame. (You may assume that the mass and dimensions of the solid wood door are equal to that of the hollow door.) Do not do any calculations; just explain your reasoning.

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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.