Advertisements
Advertisements
Question
Which one of these is more elastic, steel or rubber? Why?
Advertisements
Solution
Steel is more elastic than rubber. If equal stress is applied to both steel and rubber, the steel produces less strain. So Young’s modulus is higher for steel than rubber. Hence steel is more elastic than rubber.
APPEARS IN
RELATED QUESTIONS
If a wire is stretched to double of its original length, then the strain in the wire is __________.
The Young’s modulus for a perfect rigid body is __________.
If the temperature of the wire is increased, then Young’s modulus will __________.
Copper of fixed volume V is drawn into a wire of length l. When this wire is subjected to a constant force F, the extension produced in the wire is ∆l. If Y represents Young’s modulus, then which of the following graphs is a straight line?
The following four wires are made of the same material. Which of these will have the largest extension when the same tension is applied?
What is the effect of temperature on elasticity?
Write down the expression for the elastic potential energy of a stretched wire.
State Hooke’s law and verify it with the help of an experiment.
Derive an expression for the elastic energy stored per unit volume of a wire.
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.
