Question 7 Determine the force P required to start the wedge as shown in Fig. 5.26. The angle of friction forall surfaces of contact is 15°.Ans. 26.678 kN)75%PPThe100 kN5.25the same for both floor and wall.sliding impends when 0 = 45°, determine the coeffi-and they rest against vertical and horizontal(Ans. 0.414)1BC2.5 kN7201205°P-5°Fig. 5.26Fig. 5.277. Two blocks A and B weighing 15 kN, and 3 kN respectively, are held in position against aninclined plane by applying a horizontal force P as shown in Fig. 5.27. Find the least value ofwhich will induce motion of the block A upwards. Angle of friction for all contact surfaces is 12º.[Ans. 14.025 kN]"JTBIn Fig. 5.28, C is a stone block weighing 6 kN. It is being raised slightly by means of two woodenwedges A and B with a force P on wedge B: The angle between the contacting surfaces of thewedge is 5°. If coefficient of friction is 0.3 for all contacting surfaces, compute the value of Prequired to impend upward motion of the block C. Neglect weight of the wedges.[Ans. 2.344 kN]B2015°10⁰^75°TT150-PCHAPTER 5IATwelve Apostles

Answered: Image /qna-images/answer/08a12488-c753-480b-82c1-adc92f6e9e48.jpg

Fig. 5.27 Two blocks A and B weighing 15 kN, and 3 kN respectively, are held in position against an applying a horizontal force P as shown in Fig. 5.27. Find the least value of P inclined plane by which will induce motion of the block A upwards. Angle of friction for all contact surfaces is 12º. [Ans. 14.025 kN]

Fig. 5.27 Two blocks A and B weighing 15 kN, and 3 kN respectively, are held in position against an applying a horizontal force P as shown in Fig. 5.27. Find the least value of P inclined plane by which will induce motion of the block A upwards. Angle of friction for all contact surfaces is 12º. [Ans. 14.025 kN]

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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