2. Which of the following gives the correct pair of equilibrium equations for Block A? A. + EF:130 - 176.6 cos 30 + F = 0 +EF:-N-176.6 sin 30 = 0 B. + EF:130 - 176.6 sin 30 - F = 0 + EF: N-176.6 cos 30 = = 0 C. + EF: 130 - 176.6 cos 30 - Ff = 0 +EF: N-176.6 sin 30 = 0 D. +EF:130 176.6 sin 30 + F = 0 +EF:-N-176.6 cos 30 = 0

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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2. Which of the following gives the correct pair of equilibrium equations for Block A?
A.
+ EF:130 - 176.6 cos 30 + F = 0
+EF:-N-176.6 sin 30 = 0
B.
+ EF:130 - 176.6 sin 30 - F = 0
+ EF: N-176.6 cos 30 = = 0
C.
+ EF: 130 - 176.6 cos 30 - Ff = 0
+EF: N-176.6 sin 30 = 0
D.
+EF:130 176.6 sin 30 + F = 0
+EF:-N-176.6 cos 30 = 0
Transcribed Image Text:2. Which of the following gives the correct pair of equilibrium equations for Block A? A. + EF:130 - 176.6 cos 30 + F = 0 +EF:-N-176.6 sin 30 = 0 B. + EF:130 - 176.6 sin 30 - F = 0 + EF: N-176.6 cos 30 = = 0 C. + EF: 130 - 176.6 cos 30 - Ff = 0 +EF: N-176.6 sin 30 = 0 D. +EF:130 176.6 sin 30 + F = 0 +EF:-N-176.6 cos 30 = 0
An 18 kg Block A on an incline (p =30 degrees), is pulled by a 130-N force P. Friction in the pulley is negligible and the coefficients of non-sliding (static)
and sliding (kinetic) friction between the block and the incline are 0.35 and 0.25, respectively.
P
Ф
A
Transcribed Image Text:An 18 kg Block A on an incline (p =30 degrees), is pulled by a 130-N force P. Friction in the pulley is negligible and the coefficients of non-sliding (static) and sliding (kinetic) friction between the block and the incline are 0.35 and 0.25, respectively. P Ф A
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