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2/18 Determine the components of the 2-kN force along the oblique axes a and b. Determine the projections of F onto the a- and b-axes.

2/18 Determine the components of the 2-kN force along the oblique axes a and b. Determine the projections of F onto the a- and b-axes.

Elements Of Electromagnetics
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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2/18 Determine the components of the 2-kN force along the oblique axes a and b. Determine the projections of F onto the a- and b-axes. 2/21 It is desired to remove the spike from the timber by applying force along its horizontal axis. An obstruc- tion A prevents direct access, so that two forces, one 400 lb and the other P, are applied by cables as shown. Compute the magnitude of P necessary to ensure a resultant T directed along the spike. Also F = 2 kN find T. Ans. P = 537 lb T = 800 lb P. 8" 60° 45° A 6" Problem 2/18 2/19 Determine the components of the 800-lb force F along the oblique axes a and b. Also, determine the projections of F onto the a- and b-axes. Ans. Components: F. = 1093 lb, F, = 980 lb 400 lb Projections: Fa = 400 lb, F, = 207 lb Problem 2/21 F = 800 lb 2/22 At what angle 0 must the 800-lb force be applied in order that the resultant R of the two forces has a magnitude of 2000 lb? For this condition, determine the angle B between R and the vertical. 60° 1400 lb 45° 800 lb Problem 2/19 2/20 The 600-N force applied to the bracket at A is to be replaced by two forces, F, in the a-a direction and F, in the b-b direction, which together produce the same effect on the bracket as that of the 600-N force. Determine Fa and F,. oblem 2/22 600 N 30° 60° A A a Problem 2/20
Transcribed Image Text:2/18 Determine the components of the 2-kN force along the oblique axes a and b. Determine the projections of F onto the a- and b-axes. 2/21 It is desired to remove the spike from the timber by applying force along its horizontal axis. An obstruc- tion A prevents direct access, so that two forces, one 400 lb and the other P, are applied by cables as shown. Compute the magnitude of P necessary to ensure a resultant T directed along the spike. Also F = 2 kN find T. Ans. P = 537 lb T = 800 lb P. 8" 60° 45° A 6" Problem 2/18 2/19 Determine the components of the 800-lb force F along the oblique axes a and b. Also, determine the projections of F onto the a- and b-axes. Ans. Components: F. = 1093 lb, F, = 980 lb 400 lb Projections: Fa = 400 lb, F, = 207 lb Problem 2/21 F = 800 lb 2/22 At what angle 0 must the 800-lb force be applied in order that the resultant R of the two forces has a magnitude of 2000 lb? For this condition, determine the angle B between R and the vertical. 60° 1400 lb 45° 800 lb Problem 2/19 2/20 The 600-N force applied to the bracket at A is to be replaced by two forces, F, in the a-a direction and F, in the b-b direction, which together produce the same effect on the bracket as that of the 600-N force. Determine Fa and F,. oblem 2/22 600 N 30° 60° A A a Problem 2/20
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