Home
Class 11
PHYSICS
A beam of metal supported at the two edg...

A beam of metal supported at the two edges is loaded at the centre. The depression at the centre is proportional to

A

`Y^(2)`

B

Y

C

`(1)/(Y)`

D

`(1)/(Y^(2))`

Text Solution

Verified by Experts

The correct Answer is:
C

The depression at the centre is `delta = (Mgl^(3))/(4bd^(3)Y) or delta prop (1)/(Y)`
Promotional Banner

Topper's Solved these Questions

  • MECHANICAL PROPERTIES OF SOLIDS

    NCERT FINGERTIPS ENGLISH|Exercise HOTS|8 Videos
  • MECHANICAL PROPERTIES OF SOLIDS

    NCERT FINGERTIPS ENGLISH|Exercise NCERT|8 Videos
  • MECHANICAL PROPERTIES OF SOLIDS

    NCERT FINGERTIPS ENGLISH|Exercise ELASTIC MODULI|69 Videos
  • MECHANICAL PROPERTIES OF FLUIDS

    NCERT FINGERTIPS ENGLISH|Exercise NCERT Exemplar|5 Videos
  • MOTION IN A PLANE

    NCERT FINGERTIPS ENGLISH|Exercise Assertion And Reason|15 Videos

Similar Questions

Explore conceptually related problems

The field due to a magnet at a distance R~ from the centre of the magnet is proportional

A beam is supported at its ends by supports which are 12 metres apart. Since the load is concentrated at its centre, there is a deflection of 3 cm at the centre and the deflected beam is in the shape of a parabola. How far from the centre is the deflection 1 cm?

A beam is supported at its ends by supports which are 12 metres apart. Since the load is connected at its centre, there is a deflection of 3 cm at the centre and the deflected beam is in the shape of a parabola. How far from the centre is the deflection 1 cm?

A horizontal rod is supported at both ends and loaded at the middle. If L and Y are length and Young's modulus repectively, then depression at the middle is directly proportional to

A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom at the centre of edges, and Na atom at the centre of the cube. The formula for the compound is

A solid has a structure in which W atoms are located at the corners of a cubic lattice, O atom at the centre of edges, and Na atom at the centre of the cube. The formula for the compound is

When metal wire is stretched by a load the fractional change in its volume ((/_\V)/V) is proportional to

Let a steel bar of length 'l', breadth 'b' and depth 'd' be loaded at the centre by a load 'W'. Then the sag of bending of beam is (Y = Young's modulus of material of steel)

A solid has a structure in which X atoms are located at cubic corners of unit cell, O atom are at the edge centres and Y atoms at cube centre. Then the formula of compound is X_(a)Y_(b)O_(c) If two atoms of O missing from any of two edge centres per unit cell, then the molecular formula is X_(a)Y_(b)O_(z) . Then, find the value of (x + y + z) - (a + b+ c) .

The radius of the largest shpere which fits properly at the centre of the edge of a body centred cubic unit cell is : (Edge length is represented by 'a')