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प्रश्न
Answer in one sentence.
State the condition under which Hooke’s law holds good.
उत्तर
Hooke’s law holds good only when a wire/body is loaded within its elastic limit.
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संबंधित प्रश्न
The buckling of a beam is found to be more if ___ .
(a) the breadth of the beam is large.
(b) the beam material has large value of Young's -modulus.
(c) the length of the beam is small.
(d) the depth of the beam is small.·
A mass M attached to a spring oscillates with a period of 2 seconds. If the mass is increased by 2 Kg, the eriod increases by 1 second. Find the initial mass, assuming that Hooke's law is obeyed.
Young’s modulus of material of wire is ‘Y’ and strain energy per unit volume is ‘E’, then the strain is
(A) `sqrtY/(2E)`
(B) `sqrt(E/Y)`
(C) `sqrt((2E)/Y)`
(D) `sqrt(2EY)`
A piece of copper having a rectangular cross-section of 15.2 mm × 19.1 mm is pulled in tension with 44,500 N force, producing only elastic deformation. Calculate the resulting strain?
State Hooke’s law. Define the elastic limit and modulus of elasticity.
Long answer type question.
State Hooke’s law.
If the temperature increases, the modulus of elasticity.
