Name one factor on which coefficient of friction depends.

Important Questions on Equilibrium of Concurrent Forces and Friction

EASY

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 7 - Equilibrium of Concurrent Forces and Friction>EXERCISE>Q 12

Is static friction less or greater than rolling friction?

EASY

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 7 - Equilibrium of Concurrent Forces and Friction>EXERCISE>Q 13

Is kinetic friction less or greater than static friction?

EASY

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 7 - Equilibrium of Concurrent Forces and Friction>EXERCISE>Q 14

A body of mass $m$ is moving on a horizontal surface having a coefficient of friction $\mu$. What is the force of friction acting on the body?

EASY

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 7 - Equilibrium of Concurrent Forces and Friction>EXERCISE>Q 14

Write the relation between angle of friction and coefficient of friction.

EASY

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 7 - Equilibrium of Concurrent Forces and Friction>EXERCISE>Q 15

Can coefficient of friction be greater than $1$ in any case?

EASY

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 7 - Equilibrium of Concurrent Forces and Friction>EXERCISE>Q 16

Does limiting friction between two surfaces depend on the area of contact between the surfaces?

EASY

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 7 - Equilibrium of Concurrent Forces and Friction>EXERCISE>Q 17

Mention one case where friction is advantageous and one case where it is disadvantageous.

EASY

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 7 - Equilibrium of Concurrent Forces and Friction>EXERCISE>Q 18

When does the force of friction between two surfaces become zero?