Q10/ Four masses A, B, C and D as shown below are to be completely balanced. A B C D 30 50 40 Mass (kg) Radius (mm) 180 240 120 150 The angle between masses B and C is 90° and between C and D is 120° in the same sense. Find the magnitude and the angular position of mass A. All masses rotating in the same plane.
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- The figure below shows the positions of the Centers of mass of the three disks on a rotating shaft. m. =6 kg, M2=4 kg, m3=5 kg, r-=100 mm, r2=200 ver3 = 300. B to dynamically balance the shaft it is desirable to place balancing masses of 3 kg each in their planes. Balancing find the positions of the center of mass (004) of mass A in the unit of cm and degrees. The D value in the figure is 200 mm. mlg my m1 37 53 200 mm 150mm 200 mm ma Please choose one nQuestion 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 m₂A shaft has three eccentric of mass I kg each. The central plane of the eccentrics is 50 mm apart. The distances of the centers from the axis of rotation are 20, 30 and 20 mm and their angular positions are 120 apart. If the shaft is balanced by adding two masses at a radius of 70 mm and at a distance 100 mm from the central plane of the middle eccentric, find the amount of the masses and their angular positions.
- A shaft carries three masses A, B and Cof magnitude 400 kg, 200 kg and 300 kg respectively and revolving at radii 60 mm, 70 mm and 80 mm. The angles between these masses are A to B 150° and B to C 90°. If the balancing masses revolve at a radius of 100 mm, find their magnitudes and angular positions. All masses rotating in the .same planeThe 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)Tractor Tire Additional torque is required to accelerate the water filled tractor tires to 25 MPH. The tires are 6 feet in diameter and the center rim is 2 feet in diameter. The moment of inertia for the rubber tire is 15 lbs.ft.Sec². Water weighs 62.4 lbs/ft³. The rim weighs 120 lbs. A. Find Masses B. Find Omega C. Find Alpha D. Find Jm E. Find the torque to accelerate in 6 seconds
- Question 5- find the سا mg-2 2N that act at an resultant of forces 2, √3, 5, √3 and angular point of a regular Hexagon towards other angular points taking arder. Aus R=10N x=60 Question 6- A string ABC of to two points A and C at the same level. A string ABC of length 50cm is tied A smooth ring of weight 500 N which can slide along the string at B, 30cm away from A along the string and pulley by a horizontal force Pas shown in figure 3. If point B is 15cm beforce of AC magnitude of P while tensions in the Determine the on both side of B'are same string of th Aus → T = 900 NCalculate the center of mass of the 6 lb right angle bar assuming constant density.Locate mass A at 35 mm from support X.Locate mass B at 96.5 mm from support X. Locate mass C at 122.7 mm from support X.Position mass A at zero degrees and D at 90o from A. A B C D mass(kg) 0.021 0.044 0.059 0.019 essentric length(r) m 0.036 0.025 0.034 0.036 6.1. Use the graphical method to determine the angular position of masses B and C.6.2. Calculate the position of mass D from support X.6.3. If the shaft rotates at 150 r.p.m calculate the dynamic force experienced by the bearings.
- The following masses m, are located at the given points P₁ : m₁ = 6, P₁(1, −2) m₂ = 5, P₂(3, 4) m3 = 1, P3(−3,−7) m₁ = 4, P₁(6,−1) Find the moments Mx, My, and the x and y-coordinates of the center of mass of the system. Mx My = = I- ▶ x-coordinate of the center of mass: x = y-coordinate of the center of mass: y = B ▶Find the center of mass (x̄, ȳ, z̄) of the object shown, given: L1 = 20 mm, L2 = 34 mm, L3 = 50 mm, L4 = 65 mm, L5 = 16 mm, L6 = 90 mm.Object A, whose center is at (2.0m, 2.0m) has a mass of 40 kg. Object B has its center at (10m, 4.0m) and has a mass of 30 kg. What are the components of their center of mass in m?