EASY
11th West Bengal Board
IMPORTANT
Earn 100

Show that the tangent of the angle of friction is equal to the coefficient of friction.

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 8
Why are ball-bearings employed in some machines in place of sleeve-bearings?
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 9
Why lubricant is used in machines?
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 10
Is pushing a roller easier than pulling it?
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 11
Name one factor on which coefficient of friction depends.
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 μ. 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.