1. In Figure 1a the specimen length (L) is 1 meter and the torque applied at the free end (T) is 70 N-m. Figure 1b shows a cross-section of the specimen with outer radius (r0) equal to 0.25 m and total angle of twist (?) equal to 45º.
(a) Calculate the polar moment of inertia, Ip, for the specimen.
(b) Determine the Modulus of Rigidity, G, of the
specimen.
a)
b)
As per equation of twisting moment
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1. In Figure 1a the specimen length (L) is 1 meter and the torque applied at...
1. In Figure la the specimen length (L) is 1 meter and the torque applied at the free end (T) is 70 N-m. Figure 1b shows a cross-section of the specimen with outer radius (ro) equal to 0.25 m and total angle of twist (0) equal to 45°. (a) Calculate the polar moment of inertia, Ip, for the specimen. (6) Determine the Modulus of Rigidity, G, of the specimen. ro T L Figure la Figure 1b
A body has a modulus of rigidity of 10 MPa. Under an applied torque of 14,000,000 N·m over a length of 0.4 m, the angle of twist is 0.8 radians. What is the polar second moment of area for this body? A. 2.1 m4 B. 0.7 m4 C. 0.35 m4 D. 1.4 m4
A solid bar of circular cross section has a diameter, d= 1.5 in., and length, L-54 shear modulus of elasticity, G11.5x 10spsi (see Figure 4). 4. in.. The da 1.5 in. L-54 in. Figure 4 (a) If a torque T 250 lb-ft is applied at the ends, find the values of maximum shear stress in the bar and the angle of twist between the ends of the bar. [10 marks] (b) If the allowable shear stress 6000 psi and the...
BRASS STEEL ads Problem 1. Torque To is applied at the midpoint of a solid steel bar with diameter d, and length 1.5 L which is bonded to two brass collars, each with wall thickness tp and length 0.25 L. The twist angle at point C is specified to be an allowable angle oca To ** B A L 11/25 늦 The steel bar and brass collars are attached to fixed supports at A and B. Equal reaction torques T...
BRASS STEEL ti ods Problem 1. Torque To is applied at the midpoint of a solid steel bar with diameter ds and length 1.5 L which is bonded to two brass collars, each with wall thickness to and length 0.25 L. The twist angle at point C is specified to be an allowable angle oca. To I 1 А B с E a L va 2 4 L The steel bar and brass collars are attached to fixed supports at...
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BRASS STEEL ads Problem 1. Torque To is applied at the midpoint of a solid steel bar with diameter ds and length 1.5 L which is bonded to two brass collars, each with wall thickness tp and length 0.25 L. The twist angle at point C is specified to be an allowable angle oca. Т. To * B 썰 С D E र VN ^^ 4 The steel bar and brass collars are attached to fixed supports at A and...
An I-section has the dimensions shown in Fig. Q4 and is subjected to an axial torque, T = 5000 Nm A) Determine the maximum value of the shear stress (Tmax) in the material. (8 marks) B) Find the twist angle per meter length, (0/L). Assume the modulus of rigidity G for the material is 82 GN/m2. d1= 266 mm — b1 = 30 b2= 16.5 mm d2= 779 mm b3 = 30 Fig. Q4: An I-Section Structure.
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