frictional force its pros and cons in our day to day life
Answers
Frictional force is the force resisting relative motion between solids, liquid layers and material surfaces.
We encounter friction in our daily lives.
Friction has its advantages and disadvantages.
Advantages
The friction between our shoes and floor prevents us from sliding and hurting ourselves.
Friction is important in applying brakes and thus minimizing road accidents.
Disadvantages
Friction causes wear and tear hence making things to depreciate in value.
Friction between our bodies and rough objects cause injuries to us.
Pros of Frictional Force:
• Walking. Friction is extremely helpful if the surface is slippery in nature.
• Running
• Driving
• Help in the movement of the adverse effect of the wind such as trees, building, etc.
Cons of Frictional Force:
• Production of heat that can wear down a machine.
• The sound of the nail against a chalkboard.