Differences and similarities between solid friction and fluid friction/viscous drag are explored. Factors that affect viscosity are explained while some applications of viscosity are presented.

Loisa AndalioJul 20, 2023

The concept of viscosity is explained both within the fluid and through the action of a fluid on a solid moving through a fluid. Weight, upthrust and viscous drag force balance for a solid falling through a liquid is explained leading to an explanation of terminal velocity.

badrkandiliJul 20, 2023

Capillarity is defined and the concepts of surface tension, cohesion and adhesion are used to explain its action in causing liquids to rise and fall in a narrow tube. Applications of capillarity are also mentioned.

Yaa BithaJul 20, 2023

Real applications of surface tension in animals that can walk on water, the working principle of detergents and the waterproofing of fabric.

Julie Anne San JoseJul 20, 2023

Definition of surface tension and the intermolecular forces that cause surface tension. Factors that affect surface tension and experiments to prove existence of surface tension are also discussed

prince of the saiyansJul 20, 2023

This serves as an introduction to structures of molecules within a solid. The concept of a unit cell is introduced and the types of arrangements of molecules within the unit cell.

Ama baeJul 20, 2023

The differences crystalline and amorphous solids is explained and the effects of the differences in structure on the physical properties of the solid.

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