Advertisements
Advertisements
प्रश्न
Two wires are made of the same material and have the same volume. The area of cross-sections of the first and the second wires are A and 2A respectively. If the length of the first wire is increased by ∆l on applying a force F, how much force is needed to stretch the second wire by the same amount?
पर्याय
2 F
4 F
8 F
16 F
Advertisements
उत्तर
4 F
APPEARS IN
संबंधित प्रश्न
Consider two wires X and Y. The radius of wire X is 3 times the radius of Y. If they are stretched by the same load then the stress on Y is ___________.
If a wire is stretched to double of its original length, then the strain in the wire is __________.
The load-elongation graph of three wires of the same material as shown in the figure. Which of the following wire is the thickest?
Which of the following is not a scalar?
Define stress.
State Hooke’s law of elasticity
Define Poisson’s ratio.
State Hooke’s law and verify it with the help of an experiment.
Explain the different types of modulus of elasticity.
A cylinder of length 1.5 m and diameter 4 cm is fixed at one end. A tangential force of 4 × 105 N is applied at the other end. If the rigidity modulus of the cylinder is 6 × 1010 Nm-2 then, calculate the twist produced in the cylinder.
