Elasticity

What can be said about the bulk modulus of elasticity for different states of matter?

Which type of modulus is involved in the stretching of a rope in a suspension bridge?

What happens to the metallic parts of machinery if they are subjected to a stress beyond their elastic limit?

Why are bridges declared unsafe after long use?

What is the maximum height of a mountain on earth limited by?

What is the characteristic of the material of wire A?

What is the condition for an appreciable change in longitudinal extension of an elastic material?

What is the elongation of a uniform heavy rod of weight W, cross-sectional area A and length L, hung from a fixed support, neglecting lateral contraction?

What is the strain produced in a uniform elastic string placed over a smooth horizontal surface, when a constant force F0 is applied?

What is the elongation of a uniform rod of length L, with a mass per unit length  and area of cross-section A?

What is the unit of Young's modulus?

What is the relationship between the interatomic distance and the interatomic force constant in a material?

What is the phenomenon where the strain lags behind the stress in a material?

What is the significance of the area of the hysteresis loop in a material?

Which type of material would be suitable for making car tyres?

What is the relationship between the angle of twist and the radius of the cylindrical shell?

What is the relationship between the torsional rigidity and the radius of the cylindrical shell?

What is the work done in twisting the cylinder through an angle θ?

What is the condition for a hollow shaft to be stronger than a solid rod of the same length and mass?

What is the relationship between the angle of twist and the shearing strain?

Why is it beneficial to increase the depth of a beam rather than its breadth in construction of roofs and bridges?

What is the advantage of a hollow shaft over a solid shaft of the same mass, length, and material?

What is the condition for the base of a mountain to be stable?

What is the expression for the depression in a beam with a circular cross-section?

Why is an I-shaped girder used to support a load in construction?

If a rod of length $l$ is twisted by an angle $\theta$ at one end, and the other end is fixed, what is the angle of twist at the joint?

A wire of radius $r$ and length $L$ is clamped at one end and twisted by an angle $\theta$ at the other end. What is the angle of shear?

Two wires of the same length $L$ and material have radii $r_1$ and $r_2$, respectively. If they are twisted by the same couple, what is the ratio of their angles of twist?

A rod of length $L$ is twisted by a torque $\tau$ at one end, and the other end is fixed. What is the twist angle at the joint?

Two rods of the same material and length $L$ are twisted by the same angle at one end, but one has a radius $r_1$ and the other has a radius $r_2$. What is the ratio of their torques?