A_BAR_OF_CROSS-SECTION_A_AND_LENGTH_L_IS_SUBJECTED_TO_AN_AXIAL_LOAD_W. – McqOptions

MCQOPTIONS

1.	A_BAR_OF_CROSS-SECTION_A_AND_LENGTH_L_IS_SUBJECTED_TO_AN_AXIAL_LOAD_W._THE_STRAIN_ENERGY_STORED_IN_THE_BAR_WOULD_BE?$
A.	WL / AE
B.	W<sup>2</sup>L / 4AE
C.	W<sup>2</sup>L / 2AE
D.	WL / 4AE
Answer» D. WL / 4AE

Discussion

No Comment Found

Related MCQs

A tensile load of 60kN is gradually applied to a circular bar of 4cm diameter and 5m long. What is the strain energy in the rod if the load is applied suddenly (E = 2×105 N/mm2)?
A tensile load of 50kN is gradually applied to a circular bar of 5cm diameter and 5m long. What is the strain energy absorbed by the rod (E = 200GPa)?
A tensile load of 60kN is gradually applied to a circular bar of 4cm diameter and 5m long. What is the stretch in the rod if E = 2×105 N/mm2?
A bar of cross-section A and length L is subjected to an axial load W. the strain energy stored in the bar would be __________
The strain energy in a member is proportional to __________
If forces P, P and P of a system are such that the force polygon does not close, then the system will __________
A material of youngs modulus and Poissons ratio of unity is subjected to two principal stresses σ1 and σ2 at a point in two dimensional stress system. The strain energy per unit volume of the material is __________
A rectangular block of size 400mm x 50mm x 50mm is subjected to a shear stress of 500kg/cm2. If the modulus of rigidity of the material is 1×106 kg/cm2, the strain energy will be __________
PL3/3EI is the deflection under the load P of a cantilever beam. What will be the strain energy?
In a material of pure shear stress τthe strain energy stored per unit volume in the elastic, homogeneous isotropic material having elastic constants E and v will be: