Question

Give 5 examples of fluid friction

Answer 1

1. Air resistance is an example of fluid friction caused by the particles that make up air.

2. Lubricants used in hinges is another example of fluid friction.

3. Concept of Terminal velocity while falling through atmosphere or through liquids.

4. Water flowing through a tube. Its speed is minimum where water is in contact with tube material and maximum at the centre.

5. Viscosity of honey is another example of fluid friction.

Answer 2

1)Rubbing both hands together to create heat.

2)A sled sliding across snow or ice.

3)Skis sliding against snow.

4)A person sliding down a slide is an example of sliding friction.

5)A coaster sliding against a table.