Advertisements
Advertisements
प्रश्न
State Hooke’s law of elasticity
Advertisements
उत्तर
The stress is proportional to the strain in the elastic limit.
`"Stress" ∝ "Strain"`
`σ ∝ ε`
`"F"/"A" ∝ (Δ"L")/"L"`
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 ___________.
The load-elongation graph of three wires of the same material as shown in the figure. Which of the following wire is the thickest?

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?
Which of the following is not a scalar?
If the temperature of the wire is increased, then Young’s modulus will __________.
Define Poisson’s ratio.
Which one of these is more elastic, steel or rubber? Why?
A spring balance shows wrong readings after using it for a long time. Why?
What is the effect of temperature on 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.
