A wire extends by 'l' on the application...

A wire extends by `'l'` on the application of load `'mg'`. Then the energy stored in it is

`mgl`

`mgl//2`

`mg//l`

`mgl^(2)`

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

MECHANICAL PROPERTIES OF SOLIDS
NARAYNA|Exercise LEVEL-I (C.W)|37 Videos
MECHANICAL PROPERTIES OF SOLIDS
NARAYNA|Exercise LEVEL-II (C.W)|32 Videos
MECHANICAL PROPERTIES OF SOLIDS
NARAYNA|Exercise LEVEL-II (H.W)|24 Videos
MECHANICAL PROPERTIES OF FLUIDS
NARAYNA|Exercise EXERCISE - III|30 Videos
MOTION IN A PLANE
NARAYNA|Exercise Level-II(H.W)|31 Videos

Similar Questions

Explore conceptually related problems

Stored energy is

A wire of length L extends by l on application of force F. Suppose the wire is cut into 3 equal parts and the same force is applied to one of them. Now the extension will be

A weight Mg is attached to the free end of a wire suspended from a rigid support. The wire is extended by l. The ratio of the elastic potential energy stored in the stretched wire to the work done by the weight Mg is

The extension of a wire by the application of load is 3 mm . The extension in a wire of the same material and length but half the radius by the same load is

The extension of a wire by the application of a load is 2 mm. The extension in a wire of the same material and same length but half the radius by the same load is

If a spring extends by x on loading, then the energy stored by the spring is (if T is tension in the spring and k is spring constant)

If a spring extends by x on loading, then the energy stored by the spring is (if T is tension in the spring and K is spring constant)

If a spring extends by x on loading, then then energy stored by the spring is (if T is tension in the spring and k is spring constant)

A spring when loaded has a potential energy 'E'. Then 'm' turns out of 'n' turns are removed form the spring. If the same load is suspended, then the energy stored in the spring is

The length of a wire is increased by 1 mm on the application, of a given load. In a wire of the same material, but of length and radius twice that of the first, on application of the same load, extension is

NARAYNA-MECHANICAL PROPERTIES OF SOLIDS-C.U.Q

The elastic after effect show that the
Text Solution
|
A student plots a graph from hs readings on the determination of Young...
Text Solution
|
A wire extends by 'l' on the application of load 'mg'. Then the energy...
Text Solution
|
A metallic rod of length 'L' and cross-section 'A' has Young's modul...
Text Solution
|
The stress strain curves for brass, steel and rubber are shown in the ...
Text Solution
|
When a small block is suspended at the lower end of an elastic stee...
Text Solution
|
The diagram represents the applied force per unit area (F) with the...
Text Solution
|
A unifrom rod is fixed at one end to a rigid support, its temperture ...
Text Solution
|
The load versus extension graph for four wires of same material is sh...
Text Solution
|
Which of the following stress versus strain curve representes cast iro...
Text Solution
|
A graph is shown between stress and strain for a metal. The part in w...
Text Solution
|
In the above graph, point B indicates
Text Solution
|
In the above graph, point D indicates
Text Solution
|
The strain stress curves of three wires of different materials are sho...
Text Solution
|
The diagram shows a forc-extension graph for a rubber band. Consider...
Text Solution
|
The stress versus strain graphs for wires of two materials A and B are...
Text Solution
|
The load versus extension graph for four wires of same material is sh...
Text Solution
|
When does an elastic metal rod change its length?
Text Solution
|
The graph show the behaviour of a length of wire in the region for whi...
Text Solution
|
The potential energy U between two molecules as a function of the dis...
Text Solution
|