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
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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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 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)
Transcribed Image Text: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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