Friction : A Necessary Evil
Friction : A Necessary Evil: Overview
This topic covers the concept of Necessity of Friction.
Important Questions on Friction : A Necessary Evil
Name the force that is responsible for the loss of energy in the form of heat by the increase in the temperature of the surroundings. (Gravitation/Friction)
“Friction is a necessary evil”- explain.
Will you give your unused shoes to underprivileged children who are needy of basic necessities of life? Justify.
Is frictional force desirable? (Yes/No)
A large amount of fuel is wasted while running machines to _____.
Friction – a necessary evil. Explain.
How is friction desirable sometimes?
Write advantages and disadvantages of friction.
Describe some examples where heat is produced due to friction.
How is friction sometimes desirable?
Friction – a necessary evil. Write two examples in support of this statement.
