Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
BITSAT2010PhysicsMechanical Properties of SolidsActual

The upper end of a wire of diameter 12 ~mm and length 1 ~m is clamped and its other end is twisted through an angle of 30^ . The angle of shear is

Options

  1. A18^
  2. B0.18^
  3. C36^
  4. D0.36^

Correct answer

B. 0.18^

Step-by-step solution

r = = r = 6 ~mm 30^ 1 ~m =0.18^

Practice Mechanical Properties of Solids on Quantrex Academy →

More from Mechanical Properties of Solids

Two wires of the same material (Young's modulus =Y ) and same length L but radii R and 2 R respectively, are joined end to end and a weight w is suspended from the combination as s 2024With rise in temperature, the Young's modulus of elasticity: 2024Young's modules of materials of a wire of Length ' L ' and cross-sectional area A is Y . If the length of the wire is doubled and cross-sectional area is halved then Young's module 2024Young's moduli of the material of wires A and B are in the ratio of 1: 4 , while its area of cross sections are in the ratio of 1: 3 . If the same amount of load is applied to both 2023A 100 ~m long wire having cross-sectional area 6.25 10⁻⁴ ~m ^2 and Young's modulus is 10¹⁰ Nm ⁻² is subjected to a load of 250 ~N , then the elongation in the wire will be : 2023There are two wire of same material and same length while the diameter of second wire is two times the diameter of first wire, then the ratio of extension produced in the wires by 2020A steel wire of cross-sectional area 4 cm 2 has elastic limit of 2 . 2 × 10 8 N m - 2 . The maximum upward acceleration that can be given to a 1000 kg elevator supported by th 2019A rubber cord has a cross-sectional area 10 - 6 m 2 and total unstretched length 0 . 1 m . It is stretched to 0 . 125 m and then released to project a particle of mass 5 . 0 g . Th 2019 Full Mechanical Properties of Solids list All BITSAT PYQs