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- 36 l? N 1:4 0 p 12:02 يستخدم التطبيق المیکروفون Me et docs.google.com/forms/c Q1: Four forces and a couple are acting on a rectangular plate as shown, replace the forces and the couple by an equivalent force - couple system at bolt 1. 400 N 30 1000 N 0.6 m 100 N.m 600 N O1 250 N Im إضافة ملف Q2 / The boom is intended to support two vertical loads, F, and F2. If the cable CB can sustain a maximum load of 1500 N before it fails, determine the critical loads if F, = 2F,. Also, what is the magnitude of the reaction at support A? 1.5m 30 إضافة ملفThe rectangular framework is subjected to the following non-concurrent system of forces: a 30lb- force below the origin, a 20 lb-force,3ft above the origin and making an angle of30°N of E, a 100lb-force with a horizontal distance of 3ft and a vertical distance of 4ftfrom the origin and making an angle of 45°NW , a 60lb -force with the same distance like the previous force but along the positive x-axis, and a 100lb- force 4ft tothe right of the origin and making an angle of 60° S of W . Determine the magnitude and direction of the resultant, as well as its moment arm relative to the origin.Criven: 73.40 C E B 73.4 № A 35° X 73.4 N tit diameter 0.400 m =) Find the distance from the The single force origin To accurately represents the original force and couple system? must act in order 2
- Find the Moment of the Couple at Point A 1 unit 1 ft 200 lbs 200 Ibs Find the Moment of the Couple at Point A 1 unit1t 200 bs 200 lbs2:56 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…Problemm B theorlom ביייר 2= sum o OF ZF and Ź Fy represent the Componen to of the resultent force vector Lngentouse) we pythegoreem theerem to tind the Manquitucde force (eF). the R.F rsultan't Find the sense of Draw the r sulknt force vector. Use the Myerse trig hnctions Csin Cas )to tind tan 4he chrecton of theresulkant force
- A 143 N force is applied to the member at point A and a 250 N force is applied to the member at point B. If an equivalent force couple system replaced the current system and the force was applied at O, then what would the magnitude of the couple need to be? B 6m 1.5m 70° A 2m O 40°The moment of the force F-90lb about the point O in Cartesian vector form is. 1 ft B 4 ft 2 ft 4 f1 Select one: O a Ma Ob M, 1600, 3200k 200j 400k Oc Mo 200j 400k O d. M 200j + 400AA 203 N force is applied to the member at point A and a 167 N force is applied to the member at point B. If an equivalent force couple system replaced the current system and the force was applied at O, then what would the magnitude of the force need to be? B 6m 1.5m 70° A 12m 40°
- Difficult Problem: If magnitude of MA is 1200 kN – m and the distance between A and B is 3 m, what is the force FB and distance d so that the system shown at the right is equivalent to a force-couple system acting at point D, where the horizontal component of this force is R = 112 kN to the right and the corresponding couple is 635 counterclockwise. 60 kN 30 50 kN 2 m MA 60° 15° 200 kN m 100 kN 4 m Fs 2 m 200 kN 30 60 kN -3 mProblem: In the probiem below, distances are specified from left to right. The distance between point B and the force of magnitude P is 0.5 m, distance between force of magnitude P and 4P is 1 m, between the force of 4P and the next identical force of 4P is 1.5 m, between that of the force 4P and 2P ois 1.5 m, and between pin at A and the force of magnitude 2P is 0.5 m. a) Determine the support reactions at A, B and C. b) If the cross section of BC is a square of side 20 mm, determine the average normal stress at any point between B and C. c) Draw the state of stress on a volume element. 111L 4P 2P 30 B A 米 0,5m Im 1.Sm P= 15 KNQ1: Four forces and a couple are acting on a rectangular plate as shown, replace the forces and the couple by an equivalent force - couple system at bolt 1. 400 N 30 1000 N 0.6 m 100 N.m 600 N- 20 45° 250 N Im