Mechanical Prop...

Two wires of the same material and length are stretched by the same force. Their masses are in the ratio $$3 : 2$$. Their elongations are in the ratio

The length of a wire is increased by $$1\ mm$$ on the application of a given load. In a wire of the same material, but of length and radius twice that of the first, on application of the same load, extension is

A cube is shifted to a depth of $$100m$$ is alake. The change in volume is $$0.1$$%. The bulk modules of the material is nearly

Two wires of the same length and same material but radii in the ratio of $$1:2$$ are stretched by unequal forces to produce equal elongation. The ratio of the two forces is

When the load on a wire is slowly increased from $$3$$ to $$5 kgwt$$, the elongation increases from $$0.61$$ to $$1.02 mm$$. The work done during the extension of wire is

Two wires of the same material and length but diameters in the ration $$1 : 2$$ are stretched by the same force. The potential energy per unit volume for the two wires when stretched will be in the ratio :

What amount of work is done in increasing the length of a wire through unity?

When a certain weight is suspended from a long uniform wire, its length increases by $$1\ cm$$. If the same weight is suspended  from another wire of the same material and length but having a diameter half of the first one, the increase in length will be

A thick rope of density $$\rho$$ and length $$L$$ is hung from a rigid support. The increase in length of the rope due to its own weight is ($$Y$$ is the Young's modulus)

If the work done by stretching a wire by $$1mm$$ is $$2J$$, the work necessary for stretching another wire of the same material but with half the radius of cross section and half the length by $$1mm$$ is