A steel wire having a radius of , carrying a load of is hanging from a ceiling. Given that what will be the tensile stress that would be developed in the wire?
A metallic rod breaks when strain produced is . Young's modulus of the material of the rod is . What should be its area of cross-section to support a load of ?
When a block of mass is suspended by a long wire of length , the length of the wire becomes The elastic potential energy stored in the extended wire is
Two wires of the same material and length but cross sectional area in the ratio are used to suspend the same loads. The extension in them will be in the ratio
A cube of metal is subjected to a hydrostatic pressure . The percentage change in the length of the side of the cube is close to : (Given bulk modulus of metal, )
An object of mass is suspended at the end of a massless wire of length and area of cross-section, A. Young modulus of the material of the wire is . If the mass is pulled down slightly its frequency of oscillation along the vertical direction is :
Copper of fixed volume is drawn into wire of length . When this wire is subjected to a constant force the extension produced in the wire is Which of the following graph is a straight line?
A wire of length , area of cross section is hanging from a fixed support. The length of the wire changes to when mass is suspended from its free end. The expression for Young’s modulus is:
A man grows into a giant such that his linear dimensions increase by a factor of Assuming that his density remains same, the stress in the leg will change by a factor of:
A steel wire is suspended vertically from a rigid support. When the wire is loaded with a weight in air, it is extended by . When the weight is completely inside the water, the extension becomes . The relative density of the material of the weight is,
