The limiting value of static friction between two contact surfaces is ...........
The limiting value of static friction between two contact surfaces is ...........
- A
Proportional to normal force between the surface in contact
- B
Independent of apparent area of contact
- C
Depends on the microscopic area of contact
- D
All of these
Similar Questions
For the given figure, if block remains in equilibrium position then find frictional force between block and wall ........ $N$
For the given figure, if block remains in equilibrium position then find frictional force between block and wall ........ $N$
The maximum static frictional force is
The maximum static frictional force is
A block pressed against the vertical wall is in equilibrium. The minimum coefficient of friction is:-
A block pressed against the vertical wall is in equilibrium. The minimum coefficient of friction is:-
A $20\, kg$ block is initially at rest on a rough horizontal surface. A horizontal force of $75 \,N$ is required to set the block in motion. After it is in motion, a horizontal force of $60\, N$ is required to keep the block moving with constant speed. The coefficient of static friction is
A $20\, kg$ block is initially at rest on a rough horizontal surface. A horizontal force of $75 \,N$ is required to set the block in motion. After it is in motion, a horizontal force of $60\, N$ is required to keep the block moving with constant speed. The coefficient of static friction is
Which one of the following is not used to reduce friction
Which one of the following is not used to reduce friction