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 = 0B.+ EF:130 - 176.6 sin 30 - F = 0+ EF: N-176.6 cos 30 = = 0C.+ EF: 130 - 176.6 cos 30 - Ff = 0+EF: N-176.6 sin 30 = 0D.+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.PФA

Answered: Image /qna-images/answer/7e7e5ff0-5e2f-4ca1-9098-4529a63d9953.jpg

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

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

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.3P: Two identical chairs, each weighing 14 lb, are stacked as shown. The center of gravity of each chair...

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