chapter 14 Mechanical Properties of matter chapter 14
This course explains a material's innate properties like Elasticity, Strength, stress, strain etc.
Following topics are covered:
1) Introduction to Elasticity
2) Stress
3) Strain
4) Hooke's Law and Young's Modulus of Elasticity
5) Longitudinal stress versus strain graph
6) Work Done and Potential Energy (Elastic Potential energy equation derivation)
7) Practical Experiment to find Young's Modulus
8) Surface Tension in a liquid : adhesion, inter-molecular cohesion, potential energy
> Height of liquid column - equation derivation
9) Surface Tension: case of steel needle floating on water: Equation derivation
10) Parallax Errors in readings due to surface tension
11) Contact Angle: concept and examples > a) water in glass tube, b) mercury in glass tube
12) Cohesion versus Adhesion and Potential Energy for a liquid in a tube
13) Adhesion forces explanation of Contact Angle for cases : a) water in glass tube, b) mercury in glass tube, c) mercury in Copper tube, d) water on paraffin Wax flat plate, e) water in a Silver vessel, f) water on a Lotus Leaf.
14) Capillary tube
15) Capillary action in nature: example of a flower
16) Equation derivation: Height of Capillary in a capillary tube
17) Viscosity : an introduction
18) Velocity gradient concept
19) Co-efficient of viscosity
20) Dimensions of co-efficient of viscosity
21) Bernoulli's Principle: liquid flow
22) Stoke's law and equation
23) Terminal Velocity for object moving through a fluid
24) Stokes method: Practical Experiment to measure co-efficient of viscosity
25) Reynolds number
- Enrolled students: 8