Test Academy | The twisting couple per unit twist for a solid cylinder of radius 4.9 cm is 0.1 N-m. The twisting couple per unit twist for a hollow cylinder of same material with outer and inner radii of 5 cm and 4 cm respectively, will be 0.64 N-m, 0.064 N-m, 0.0064 N-m, 0.065 N-m

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The twisting couple per unit twist for a solid cylinder of radius 4.9 cm is 0.1 N-m. The twisting couple per unit twist for a hollow cylinder of same material with outer and inner radii of 5 cm and 4 cm respectively, will be

Options :

0.64 N-m
0.064 N-m
0.0064 N-m
0.065 N-m

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