State any four methods to reduce friction.

Important Questions on Mechanical Properties of Solids

MEDIUM

11th Maharashtra Board

IMPORTANT

Physics>Chapter 6 - Mechanical Properties of Solids>Exercises>Q 3

What is rolling friction? How does it arise?

MEDIUM

11th Maharashtra Board

IMPORTANT

Physics>Chapter 6 - Mechanical Properties of Solids>Exercises>Q 3

Explain how lubricants help in reducing friction?

MEDIUM

11th Maharashtra Board

IMPORTANT

Physics>Chapter 6 - Mechanical Properties of Solids>Exercises>Q 3

State the laws of static friction.

HARD

11th Maharashtra Board

IMPORTANT

Physics>Chapter 6 - Mechanical Properties of Solids>Exercises>Q 3

State the laws of kinetic friction.

HARD

11th Maharashtra Board

IMPORTANT

Physics>Chapter 6 - Mechanical Properties of Solids>Exercises>Q 3

State advantages of friction.

HARD

11th Maharashtra Board

IMPORTANT

Physics>Chapter 6 - Mechanical Properties of Solids>Exercises>Q 3

State disadvantages of friction.

HARD

11th Maharashtra Board

IMPORTANT

Physics>Chapter 6 - Mechanical Properties of Solids>Exercises>Q 3

What do you mean by brittle substance? Give any two examples.

HARD

11th Maharashtra Board

IMPORTANT

Physics>Chapter 6 - Mechanical Properties of Solids>Exercises>Q 4

Distinguish between Young’s modulus, bulk modulus and modulus of rigidity.