Q1) A 5 kg block initially at rest is pulled to the right along a horizontalsurface by a constant horizontal force of 12 N.(A) Find the speed of the block after it has moved 4 m if the surfaces in contacthave a cocfficient of kinctic friction of 0.15 as shown in Figure (a).(B) Suppose the force F is applied at an angle 6 as shown in Figure (b). Atwhat angle should the force be applied to achieve the largest possible kineticenergy?(а)(b)

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Q1) A 5 kg block initially at rest is pulled to the right along a horizontal surface by a constant horizontal force of 12 N. (A) Find the spced of the block after it has moved 4 m if the surfaces in contact have a coefficient of kinctic friction of 0.15 as shown in Figure (a). (B) Suppose the force F is applied at an angle 6 as shown in Figure (b). At what angle should the force be applied to achieve the largest possible kinetic energy? (а) (b)

Q1) A 5 kg block initially at rest is pulled to the right along a horizontal surface by a constant horizontal force of 12 N. (A) Find the spced of the block after it has moved 4 m if the surfaces in contact have a coefficient of kinctic friction of 0.15 as shown in Figure (a). (B) Suppose the force F is applied at an angle 6 as shown in Figure (b). At what angle should the force be applied to achieve the largest possible kinetic energy? (а) (b)

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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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.

Question

Q1) A 5 kg block initially at rest is pulled to the right along a horizontal
surface by a constant horizontal force of 12 N.
(A) Find the speed of the block after it has moved 4 m if the surfaces in contact
have a cocfficient of kinctic friction of 0.15 as shown in Figure (a).
(B) Suppose the force F is applied at an angle 6 as shown in Figure (b). At
what angle should the force be applied to achieve the largest possible kinetic
energy?
(а)
(b)

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