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- The 30-kg uniform thin hollow square plate is pinned at point O, and its side L = 0.2 m. If it is subjected to the constant moment M = 62 N•m and is released from rest from the position as shown, determine the total work done to it when it has rotated 45. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point, and proper Sl unit. Take g = 9.81 m/s?. M Your Answer: Answer unitsDimensions and dimensions in the system given in the figure: L1 = 850 mm; L2 = 1700 mm; L3 = 2400 mm; U4 = 3100 mm m1 = 2 kg; m2 = 3 kg; m3 = 4 kg R1 = 1135 mm; R2 = 820 mm; R3 = 1040 mm θ1 = 113o; 2 = 50o; θ1 = 250o Find in mA, RA, θA and mB, RB, θB required to achieve dynamic balance?Question 3 Three unbalance masses are as shown below, where m₁ = 150 g, m3 = 200 g, r₁ = 10 cm, 72 = 10 cm, 73 = 12 cm, l₁ = -20 cm, l₂ = 35 cm, l3 = 105 cm, l = 90 cm, 8₁ = -40°, 03 = 115°, and w = 20 rad/s. 1. Find mass m₂ and its angle 9₂ so that the magintude of the reaction in B is FB = 1.38 N and its angle is 0g = -78.4°. 2. Find magnitude and angle of the reaction in A. m₂ A 111₂ 1 110₂ 1₂ My 0₂ 11₂ m₂
- The figure below shows the positions of the Centers of mass of the three disks on a rotating shaft. m1 =8 kg, m2=2 kg, m3=5 kg, r1=70 mm, r2=50 r3 = 110.B to dynamically balance the shaft balancing masses of 6 kg each are placed in their planes. A find the positions of the center of mass (ra, ra) of its mass in mm and degrees. The D value in the figure will be taken as 330 mm. Note: moment equations can be written according to the point 0 shown in the figure. B ma m2 60 40 320 mm 230 mm 350 mm t 50 mi Please select one: A.(17,068; OA=257, 270)Determine the resultant of all parallel forces acting on the rocker arm. 4 ft 5 ft Select the correct response: 7 ft 50 lb 6 ft 4' 40 lb 20 lb 2' 3' 5' 60 lbThe aluminum body of a lamp has a uniform thickness of 1mm.Since it is known that the density of aluminum is 2800 kg / m3, find the mass of the object in the figure. STATİCS
- The top of a ladder weighing 20 kg and 6m long rests against a vertical wall and the foot of the ladder on a horizontal floor. For the wall, if = 0.15, and for the floor, f = 0.2 O. How far up the ladder can a man weighing 60 kg go before the ladder begins to slip? Take moment at A to find the value of Х. * 60 Kg B NB 0.15 kg X 20 kg 60° A 0.2 NA NA 6mYou are pushing an80.0 N wheelbarrow as shown inFig. You lift upward on thehandle of the wheelbarrow so thatthe only point of contact betweenthe wheelbarrow and the groundis at the front wheel. Assume thedistances are as shown in the figure,where 0.50 m is the horizontaldistance from the center of thewheel to the center of gravity of thewheelbarrow. The center of gravityof the dirt in the wheelbarrow isassumed to also be a horizontal distanceof 0.50 m from the center of thewheel. Estimate the maximum totalupward force that you can apply to the wheelbarrow handles. (a) If youapply this estimated force, what is the maximum weight of dirt that youcan carry in the wheelbarrow? Express your answer in pounds. (b) If thedirt has the weight you calculated in part (a), what upward force does theground apply to the wheel of the wheelbarrow?The A-frame is being hoisted into an upright position by the vertical force of 62 lb . (Figure 1) Part A Determine the moment of this force about the y axis when the frame is in the position shown. Express your answer to three significant figures and include the appropriate units. ? HA M, = 311.184 lb • ft You have already submitted this answer. Enter a new answer. No credit lost. Try again. Figure 1 of 1 Submit Previous Answers Request Answer Provide Feedback 15 6 ft 30 6 ft
- Two beams are joined end to end and hinged at the left end. The left beam has a mass of 10 kg and the right beam has a mass of 12.2 kg. Determine the magnitude of the gravitational torque about the hinge. Use g = 10 N/kg. Enter units as Nm. Hint: You can either determine the center of mass of the combined object and exert the total gravitational torque from there or you can treat each beam individually and add the torques of each.The curved pipe has a radius of 5 ft. Figure 60 1001 > Part A If a force of F=75 lb acts at its end as shown in (Egure 1), determine the moment of this force about point C Enter the components of the moment separated by commas. Express your answer in pound-feet to three significant figures. VAX i vec Me 322,247,47.0 Submit Previous Amers Bequest Ac X Incorrect: Try Again Provide Feedback ? Review Ilb-ft, Jlb-ft, klb-ft Next >The homogeneous box has mass m. The magnitude of force Pis slowly increased until motion occurs. Motion could occur as slipping or tipping and you must decide which occurs first. Find the value of P which first causes motion. P 30° Ho= 0.40 B 2.2 d Answer: P = i mg