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) Poisson’s ratio
9) Relationship between Poisson’s ratio and Young’s Modulus, Shear Modulus, Bulk Modulus
10) Surface Tension in a liquid : adhesion, inter-molecular cohesion, potential energy
- Height of liquid column – equation derivation
11) Surface Tension: case of steel needle floating on water: Equation derivation
12) Parallax Errors in readings due to surface tension
13) Contact Angle: concept and examples > a) water in glass tube, b) mercury in glass tube
14) Cohesion versus Adhesion and Potential Energy for a liquid in a tube
15) Adhesion forces explanation of Contact Angle for cases :
- water in glass tube
- mercury in glass tube
- mercury in Copper tube
- water on paraffin Wax flat plate
- water in a Silver vessel
- water on a Lotus Leaf.
16) Capillary tube
17) Capillary action in nature: example of a flower
18) Equation derivation: Height of Capillary in a capillary tube
19) Viscosity : an introduction
20) Velocity gradient concept
21) Co-efficient of viscosity
22) Dimensions of co-efficient of viscosity
23) Bernoulli’s Principle: liquid flow
24) Stoke’s law and equation
25) Terminal Velocity for object moving through a fluid
26) Stokes method: Practical Experiment to measure co-efficient of viscosity
27) Reynolds number
Course Features
- Lectures 33
- Quiz 0
- Duration Lifetime access
- Skill level All levels
- Language English
- Students 193
- Certificate No
- Assessments Yes
- 1 Section
- 33 Lessons
- Lifetime
- Mechanical Properties of matter33
- 1.1Elasticity – an introduction
- 1.2Stress
- 1.3Strain
- 1.4Hooke’s Law and Modulus of Elasticity
- 1.5Graph-longitudinal stress versus strain
- 1.6Work done and Potential Energy
- 1.7Practical setup: find Young’s Modulus
- 1.8Poisson’s Ratio – different from Young’s Modulus
- 1.9Relation between Poisson’s Ratio and Young’s Modulus, Shear Modulus and Bulk Modulus
- 1.10Surface tension
- 1.11Surface Tension- Concept ,equation, Steel Needle floating on water
- 1.12Parallax Error in readings- due to Surface Tension
- 1.13Contact Angle – concept and examples
- 1.14Cohesion versus Adhesion, and Potential Energy
- 1.15Contact angle-Water in glass tube
- 1.16Contact angle- Mercury in glass tube
- 1.17Contact angle- Mercury in copper tube
- 1.18Contact angle- water on paraffin wax plate
- 1.19Contact angle- water in a Silver vessel
- 1.20Contact angle- water with Lotus leaf
- 1.21Capillary tube
- 1.22Capillary action in nature
- 1.23Equation – Height of liquid in capillary tube
- 1.24Viscosity – an introduction
- 1.25velocity gradient
- 1.26co-efficient of viscosity
- 1.27Dimensions of co-efficient of viscosity
- 1.28Bernoulli’s Principle – liquid flow
- 1.29Stoke’s Law – for Viscous Drag
- 1.30Terminal velocity
- 1.31Practical Experiment – measurement of Co-efficient of Viscosity – Stokes method
- 1.32Reynolds number – predicts Laminar and Turbulent flow
- 1.33Mechanical Properties of matter – Solved problems
