Question

Give two activities from our daily lives to exemplify when friction is desired and two for when friction is not desired.

Answer 1

Answer:

Friction is not desirable in moving parts of engines of vehicles. Even with radiator full of cold water the engine can overheat and slow down its travel. The driver is forced to stop and restthe vehicle.

It is also not desirable when sliding heavy objects up the inclined plane. More force is needed to raise the load to a desired height..

Explanation:

hope it helps.......

Answer 2

Everyday Examples of Sliding Friction
Rubbing both hands together to create heat.
A sled sliding across snow or ice.
Skis sliding against snow.
A person sliding down a slide is an example of sliding friction.
A coaster sliding against a table.
A washing machine pushed along a floor.
An iron being pushed across material.