Nyoung's modulus uniform bending pdf

Anna university lab young modulus non uniform bending physics lab video prepared by. To find the young s modulus of the given material bar by non uniform bending using pin and microscope method. The given bar is supported symmetrically on two knife edges. A weight hanger is suspended exactly at the midpoint of the bar.

The breadth of the bar b is measured by using vernier calipers and thickness of the bar d is measured by using screw gauge. In non uniform bending, the beam meter scale is supported symmetrically on two knife edges and loaded at its centre. Zero shearing force along its length as would be obtained by applying equal couples at each end. Youngs modulus pin and microscope non uniform bending. To find the young s modulus of the given material of the beam by non uniform bending. Derivation of expression for youngs modulus let us consider a beam initially unstressed as shown in fig 1a. General objective to evaluate the elastic behavior of the given wooden beam by pin and microscope experimental method and to find its young s modulus specific objectives 1. Now the beam is subjected to a constant bending moment i. To find the slope from the graph drawn between the load versus elevation 4. To determine the youngs modulus of the material of the bar subjected to nonuniform bending by measuring the depression at the center using optical lever. To determine the youngs modulus of the material of the bar subjected to non uniform bending by measuring the depression at the center using optical lever. Youngs modulus of the material of a beam by method of bending of. To determine youngs modulus of the given material of uniform bending.

Aim of this experiment is to find the young s modulus of the given material by uniform bending using pin and microscope method. Approximate elastic stress estimates for elbows under. Youngs modulus apparatus holmarc optomechatronics pvt. Young modulus nonuniform bending physics expreiment. The length l of the bar between the knife edges is measured. Pin and microscope arrangement, scale,vernier calipers, screw gauge, weight hanger, material bar or rod. Young s modulus of the given material using non uniform bending method. In uniform bending, the young s modulus of the material of the bar is given by 1 where, m mass at each end of the bar. Aim of this experiment is to find the youngs modulus of the given material by uniform bending using pin and microscope method. Hence calculate the young s modulus of the material bar.

To analyze the elastic behavior of the given wooden beam from the results obtained apparatus required. The beam will bend to the radius r as shown in fig 1b. To determine the value of youngs modulus of the material of a beam by method of bending of beam supported at its ends and loaded in. Young s modulus is named after thomas young,19th century,british scientist.