What Is ‘Bending Of Beams’?
Bending of beams: A beam is a bar or a rod of a uniform cross-sectional area which may be rectangular or circular, of a homogeneous isotropic elastic material. The length…
What Is Torsional Pendulum? Find The Periodic Time Of Torsional Pendulum.
Torsional Pendulum: A heavy cylindrical rod or disc is suspended from one end of a fine wire which is attached to its centre and the upper end is fixed. This…
Calculate The Torsional Rigidity ( Twistng Couple Per Unit Twist ) Of A Tapering Wire.
Torsional rigidity of a tapering wire: Fig.1 Fig.2 Let us consider a tapering wire of length l and rigidity of modulus . The end radii are and . Here as…
Calculate The Work Done In Twisting A Wire Or Cylinder.
Work done in twisting a wire or cylinder: Let us consider a cylindrical wire of radius r and length l. The wire is clamped at the upper end and a…
Explain, Why A Hollow Cylinder Is Stronger Than A Solid Cylinder Of Same Mass, Length, And Material.
A hollow cylinder has a greater torsional rigidity than a solid one of same mass, length, and material: Let us consider a solid cylinder of radius , length . The…
Derive An Expression Of The Couple For A Hollow Cylinder, Also Find The Value Of Torsional Rigidity.
Couple of a hollow cylinder: Let us consider a hollow cylinder of inner radius , outer radius and length . is the rigidity modulus of the material of the hollow…
Derive An Expression Of The Couple Or Torque Required To Twist A Uniform Solid Cylindrical Rod, Clamped At One End.
Couple or torque required to twist a uniform solid cylinder: Let us consider a uniform solid cylindrical rod of radius , length made of a material of rigidity modulus ,…
What Is ‘Angle Of Twist’ And ‘Angle Of Shear’?
Angle of twist: When a twisting couple is applied to the lower face of a cylinder, clamped at the upper end, in a direction perpendicular to the length of the…
What Are “Breaking Stress” And “Permanent Deformation”?
Permanent Deformation: A permanent change occurs in a body when the elastic limit of the material of the body is crossed. It is called permanent deformation. For example, when a…
Calculate Work Done Per Unit Volume In A Strain. Or Calculate Strain Energy.
Strain Energy: When a body is strained, internal forces due to the elastic property of the body are set up and hence work must be done by the applied force…