Find out the elongation in block. If mass area of cross-section and young modulus of block are m, A and y respectively.

Each of three blocks shows in figure has a mass 3 kg. The wire connecting blocks A and B has area of cross-section 0.005 cm^(2) and Young's modulus of elasticity Y = 2 xx 10 ^(11) N//m^(2) . Neglect friction. Find the elasticity potential energy stored per unit volume in wire connecting blocks A and B in steady state. (Taken g = 10 m//s^(2))

Each of three blocks shown in figure has a mass 3kg. The wire connecting, blocks A and B has area of cross-section 0.005 cm^2 and Young's modulus of elasticity Y = 2xx10^11 N//m^2 . Neglect friction. Find the elastic potential energy stored per unit volume in wire connecting blocks A and B in steady state

A horizontal rod suspended from two wires of same length and cross - section. Their Young's modulus are Y_(1) and Y_(2) respectively. The equivalent Young's modulus will be

PQ is a vertical rod of length 2L, mass M, area of cross -section 'a' and Young's modulus Y. It is connected to block A by a massless string passing over a frictionless pulley. Block A is being pulled downwards by applying a constant force of 2Mg. What is the stress at the mid-point of the rod ?

A metal wire of length L, area of cross-section A and Young's modulus Y behaves as a spring of spring constant k.

A metal wire of length L, area of cross-section A and Young's modulus Y behaves as a spring of spring constant k.

Wires A and B are connected with blocks P and Q, as shown, the ratio of lengths radii and Young's modulus of wires A and B are r, 2r and 3r respectively (r is a constant). Find the mass of block P if ratio of increase in their corresponding length is (1)/(6r^2) . The mass of the block Q is 3M

An object of mass m is suspended at the end of a massless wire of length L and area of cross -section A. Young modulus of the material of the wire is Y. If the mass is pulled down slightly its frequency of oscillation along the vertical direction is :

An object of mass m is suspended at the end of a massless wire of length L and area of cross -section A. Young modulus of the material of the wire is Y. If the mass is pulled down slightly its frequency of oscillation along the vertical direction is :