Unit 1 Engineering Physics

30 CHAPTER 1. PROPERTIES OF MATTER A B’ B W C D P Q O dy y x dx dθ dθ R R l-x l Figure 1.25:Neutral surface of a bent cantilever ...

1.10. CANTILEVER: THEORY AND EXPERIMENT The Young’s Modulus of the cantilever is then given by: Y = 4 Mgl^3 bd^3 y (1.34) Experi ...

32 CHAPTER 1. PROPERTIES OF MATTER Worked out Example 1.10.1 Calculate the Young’s modulus of the following cantilever. The leng ...

1.11. UNIFORM BENDING AND NONUNIFORM BENDING l Load Pin Load a a A B C E D F Figure 1.28:Uniform bending - experimental set up a ...

34 CHAPTER 1. PROPERTIES OF MATTER C D E F O l /2 l /2 R R R (R-y ) y EF = y, OF = OC = OD = R, OE = OE - EF = R - y, CE = DE = ...

1.11. UNIFORM BENDING AND NONUNIFORM BENDING Load (kg) Travelling Microscope Readings Elevation for load M= 0.05 kg Load increas ...

36 CHAPTER 1. PROPERTIES OF MATTER l Load Pin Figure 1.32: Non-uniform bending - experimental set up distance between the two kn ...

1.11. UNIFORM BENDING AND NONUNIFORM BENDING lengthlbetween knife edges and suspend a loadLfrom the middle of the beam. A pin is ...

38 CHAPTER 1. PROPERTIES OF MATTER that produces the depression (M) = 0.1 kg. Then, Young’s Modulus is given by, Y= Mgl^3 4 bd^3 ...

1.13 I-shaped Girders proportional to the section modulus of the beam. In other words, for a given external force, a beam with h ...

40 CHAPTER 1. PROPERTIES OF MATTER In order to maximise the section modulus for a given cross-sectional area A and heightd,wedis ...

1.14 Exercises..................................... 1.14 Exercises Objective Type [ 8 ] 1.1A rope 1 cm in diameter breaks if the ...

42 CHAPTER 1. PROPERTIES OF MATTER 1.11A circular and a square cantilevers are made of a same material and have equal areas of c ...

1.14. EXERCISES 7.Draw a representative stress-strain diagram of a brittle material. 8.Draw a representative stress-strain diagr ...

Bibliography [1] William D. Callister, Jr. and David G. Rethwisch,Materials Science and Engineering: An Introduction, 8th editio ...