whose upper end is fixed. The elongation of wire is l. In this situation
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Two opposite forces F1 = 120 N and F2 = 80 N act on an elastic plank of modulus of elasticity Y = 2 x 10^11 N/m^2 and length l=1m placed over a smooth horizontal surface. The cross-sectional area of the plank is S = 0.5 m^2. The change in length of the plank is n ×10^−11 m. Find the value of n .
10
Oct
Two opposite forces F1 = 120 N and F2 = 80 N act on an elastic plank of modulus of elasticity Y = 2 x 10^11 N/m^2 and length l=1m placed over a smooth horizontal surface. The cross-sectional area of the plank is S = 0.5 m^2. The change in length of the plank is [...]
A composite rod consists of a steel rod of length 25 cm and area 2 A and a copper rod of length 50cm and area A. The composite rod is subjected to an axial load F. If the Young’s modulii of steel and copper are in the ration 2 : 1, then
10
Oct
A composite rod consists of a steel rod of length 25 cm and area 2 A and a copper rod of length 50cm and area A. The composite rod is subjected to an axial load F. If the Young’s modulii of steel and copper are in the ration 2 : 1, then A body of [...]
A metal wire length L, cross sectional area A and Young’s modulus Y is stretched by a variable force F. F is varying in such a way that F is always slightly greater than the elastic forces or resistance in the wire. When the elongation in the wire is l, up to this instant
10
Oct
A metal wire length L, cross sectional area A and Young’s modulus Y is stretched by a variable force F. F is varying in such a way that F is always slightly greater than the elastic forces or resistance in the wire. When the elongation in the wire is l, up to this instant A [...]
A body of mass M is attached to lower end of a metal wire, whose upper end is fixed. The elongation of wire is l. In this situation , mark out the correct statements .
10
Oct
A body of mass M is attached to lower end of a metal wire, whose upper end is fixed. The elongation of wire is l. In this situation , mark out the correct statements . A body of mass M is attached to lower end of a metal wire mark out the correct statements. whose [...]