हिंदी

Answer in one sentence. How should be a force applied on a body to produce shearing stress?

Advertisements
Advertisements

प्रश्न

Answer in one sentence.

How should be a force applied on a body to produce shearing stress?

एक पंक्ति में उत्तर
Advertisements

उत्तर

A tangential force which is parallel to the top and the bottom surface of the body should be applied to produce shearing stress.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 6: Mechanical Properties of Solids - Exercises [पृष्ठ ११२]

APPEARS IN

बालभारती Physics [English] Standard 11 Maharashtra State Board
अध्याय 6 Mechanical Properties of Solids
Exercises | Q 2. vii) | पृष्ठ ११२

संबंधित प्रश्न

A rigid bar of mass 15 kg is supported symmetrically by three wires each 2.0 m long. Those at each end are of copper and the middle one is of iron. Determine the ratio of their diameters if each is to have the same tension.


Determine the volume contraction of a solid copper cube, 10 cm on an edge, when subjected to a hydraulic pressure of 7.0 ×106 Pa.


A rod of length 1.05 m having negligible mass is supported at its ends by two wires of steel (wire A) and aluminium (wire B) of equal lengths as shown in Figure. The cross-sectional areas of wires A and B are 1.0 mm2 and 2.0 mm2, respectively. At what point along the rod should a mass be suspended in order to produce (a) equal stresses and (b) equal strains in both steel and aluminium wires.

 


Two strips of metal are riveted together at their ends by four rivets, each of diameter 6.0 mm. What is the maximum tension that can be exerted by the riveted strip if the shearing stress on the rivet is not to exceed 6.9 × 107 Pa? Assume that each rivet is to carry one-quarter of the load.


The yield point of a typical solid is about 1%. Suppose you are lying horizontally and two persons are pulling your hands and two persons are pulling your legs along your own length. How much will be the increase in your length if the strain is 1% ? Do you think your yield point is 1% or much less than that?


A steel blade placed gently on the surface of water floats on it. If the same blade is kept well inside the water, it sinks. Explain.


The breaking stress of a wire depends on


A wire can sustain the weight of 20 kg before breaking. If the wire is cut into two equal parts, each part can sustain a weight of 


A heave uniform rod is hanging vertically form a fixed support. It is stretched by its won weight. The diameter of the rod is


A load of 10 kg is suspended by a metal wire 3 m long and having a cross-sectional area 4 mm2. Find (a) the stress (b) the strain and (c) the elongation. Young modulus of the metal is 2.0 × 1011 N m−2

 

Answer in one sentence.

Define strain.


A charged particle is moving in a uniform magnetic field in a circular path of radius R. When the energy of the particle becomes three times the original, the new radius will be ______.


A spiral spring is stretched by a weight. The strain will be: 


Modulus of rigidity of ideal liquids is ______.


Modulus of rigidity of ideal liquids is ______.


The maximum load a wire can withstand without breaking, when its length is reduced to half of its original length, will ______.


A mild steel wire of length 2L and cross-sectional area A is stretched, well within elastic limit, horizontally between two pillars (Figure). A mass m is suspended from the mid point of the wire. Strain in the wire is ______.


A rectangular frame is to be suspended symmetrically by two strings of equal length on two supports (Figure). It can be done in one of the following three ways;

(a)
(b)
(c)

The tension in the strings will be ______.


Is stress a vector quantity?


Consider a long steel bar under a tensile stress due to forces F acting at the edges along the length of the bar (Figure). Consider a plane making an angle θ with the length. What are the tensile and shearing stresses on this plane

  1. For what angle is the tensile stress a maximum?
  2. For what angle is the shearing stress a maximum?

The value of tension in a long thin metal wire has been changed from T1 to T2. The lengths of the metal wire at two different values of tension T1 and T2 are l1 and l2 respectively. The actual length of the metal wire is ______.


A steel wire having a radius of 2.0 mm, carrying a load of 4 kg, is hanging from a ceiling. Given that g = 3.1πms-2, what will be the tensile stress that would be developed in the wire?


Strain is defined as the ratio of ______.


What are the dimensions of stress?


When an elastic body is in equilibrium in its altered shape, the magnitude of the external deforming force is ______.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×