2:56 90 0t OV all22classroom.google.com/u/ Aميكانيك هندسيSgall LKs23 A prybar is used to remove a nail as shown. De-termine the moment of the 240-N force about the peintO of contact between the prybar and the amall supportblock.16m240 N16maso mmPROBLEM 2/3s2/ A man exerts a force Fon the handle of the stationarywheelbarrow at A. The weight of the wheelbarrow alongwith ita load of dirt in 185 Ib with center of gravity at G. Forthe configuration shown, what force must the man applyat A to make the net moment about the tie cuntact point Bequal te ero?30 mmPROBLEM 2/33Representative Problemsa34 An overhead view of a door is shown. If the com-pressive ferce aeting in the coupler arm of the hydraulic door elaser is 17 Ib with the arientation ahown,determine the moment of this force about the hingeaxis 0.20PROBLEM 2/3sa7 A 150-N pull Tin applied to a cord, which is woundsecurely around the inner hub of the drum. Determine themoment of T about the drum center C. At what angleshould T be applied so that the moment about the contactpoint Pis zero?T-150N17PROBLEM 2/34cf209mm2/3s The 30-N fore Pis applied perpendieular to the por-timn BC of the bent bar Determine the momenta of Paboutpoint B and about point A.PROBLEM 2/37تعليقات خاصةKarrar KA JI las als|

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aa A prybar is used to remove a nail as shown. De termine the moment of the 240-N furce about the peint O of contact between the prybar and the amall suppert block 240N aso PROBLEM 2/3

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter8: Centroids And Distributed Loads

Section: Chapter Questions

Problem 8.73P

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2:56 90 0t O 22 classroom.google.com/u/ 8 ميكانيك هندسي sOi Jbls ara A prybar in used to remove a nail an shown. De termine the moment of the 240-N foree about the point O of contact between the prybar and the small support block P30N 16m 240 N 350 mm PROBLEM 3/s a A man esertaa farce Fon the handle of the stationary wheelbarruw at A. The weight of the wheelburrow along with ita load of dirt is t85 Ib with center of gravity at G. For the eonfiguration shown, what fore F muat the man apply at A to make the net moment about the tire contact pint equal to er 30 mm PROBLEM 2/33 Representative Problems 34 An everhead view of a door ia shwwn. If the com presnive foree F acting in the ceupler arm of the hy draulic door closer ia 17 Ih with the orientation ahown, determine the mement of this force about the hinge axis O PROBLEM 2/36 aT A 150-N pul Tin applied te a cord, which is wound ecurely around the inner hub of the drum Determine the moment ef T about the drum eenter C. At what angle e…
The rigid pole and cross-arm assembly is supported by the three cables shown. A turnbuckle at D is tightened until it induces a tension T in cable CD. (i) Express T as a vector (ii) Determine the magnitude TGF of the projection of T onto line GF (iii) Determine the magnitude Top of the projection of T onto line OD 1 m, T = 8.6 kN a = 0.5 m b= C = 2 m 1m 1m G Expression of T as a vector: TCD= TUCD ICD UCD= Ircpl UCD= B 1.5 m/C 0.5 m 3 m 1.5 m i+ 2 m E (XD-Xc)i+(VD-yc)+(ZD-Zc) (XD-XC)+(YD-yC²+ (zp-zc)²1 0.00 T= 8.6 kN k
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Express each force acting on the pipe assembly in Cartesian vector form
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