The coefficient of static friction betwe...

The coefficient of static friction between two surfaces depend on

nature of surface

the shape of the surface in contact

the area of contact

all of the above

Text Solution

Verified by Experts

The correct Answer is:

Friction force is free from contact area.

Topper's Solved these Questions

NEWTONS LAWS OF MOTION
ALLEN |Exercise EXERCISE-III|28 Videos
NEWTONS LAWS OF MOTION
ALLEN |Exercise EXERCISE-I|52 Videos
NEWTON'S LAWS OF MOTION & FRICTION
ALLEN |Exercise EXERCISE (JA)|4 Videos
RACE
ALLEN |Exercise Basic Maths (Wave Motion & Dopplers Effect) (Stationary waves & doppler effect, beats)|25 Videos

Similar Questions

Explore conceptually related problems

A cyclist speeding at 18 km// h on a level road takes a sharp circular turn of radius 3 m without reducing the speed . The coefficient of static friction between the tyres and the road is 0.1 Will the cyclist slip while taking the turn ?

A mass of 4 kg rests on a horizontal plane. The plane is gradually inclined until at an angle 0 = 15^(@) with the horizontal, the mass just begins to slide. What is the coefficient of static friction between the block and the surface

A block of mass m is in contact with the cart C as shown in The coefficient of static friction between the block and the cart is mu The acceleration a of the cart that will prevent the block from falling satisfies .

A block rests on a rough inclined plane making an angle of 30° with the horizontal. The coefficient of static friction between the block and the plane is 0.8. If the frictional force on the block is 10 N, the mass of the block ((in kg) is .......... (Take g = 10 m//s^(2) )

A block of mass 15 kg is placed on a long trolley. The coefficient of static friction between the block and the trolley is 0.18. The trolley accelerates from rest with 0.5 m s^(-2) for 20 s and then moves with uniform velocity. Discuss the motion of the block as viewed by (a) a stationary observer on the ground, (b) an observer moving with the trolley.

A cyclist on a level road takes a sharp circular tu rn of rad iu s 3 m (g = 10 ms^(- 2) ). If th e coefficient of static friction between the cycle tyres and the road is 0.2, at which of the following speeds will the cyclist not skid while taking the turn ?

A block of mass 1kg lies on a horizontal surface in a turck, the coefficient of static fricition between the block and the surface is 0.6, what is the force of fricition on the block. If the acceleration of the truck is 5m//s^(2) .

Two-wheeler can tilt while turning. But four-wheeler cannot. Estimate maximum safe speed of a four-wheeler on turn of radius 10m assuming coefficient of static friction between tires and the flat road to be 0.64 and acceleration due to gravity to be 10 m//s^(2) .

A cylinder of 10 kg is sliding in a plane with an initial velocity of 10 m / s . If the coefficient of friction between the surface and cylinder is 0.5 then before stopping, it will cover. (g=10m//s^(2))

ALLEN -NEWTONS LAWS OF MOTION-EXERCISE-II

A block of mass 4 kg is suspended through two light spring balances A ...
Text Solution
|
If force F=500-100t, then function of impulse with time will be,-
Text Solution
|
The coefficient of static friction between two surfaces depend on
Text Solution
|
For a Rocket propulsion velocity of exhaust gases relative to rocket i...
Text Solution
|
The force on a rocket moving with a veloctiy 300 m/s is 210N. The rate...
Text Solution
|
In the fig. mass M=10gm. Is placed on an inclined plane. In order to k...
Text Solution
|
A machine gun fires bullets of 50gm at the speed of 1000m/sec. If an a...
Text Solution
|
The mechanical advantage of a wheel axle is 5 what will be thereforce ...
Text Solution
|
A body of mass 100g is sliding on a inclined plane with an inclination...
Text Solution
|
As shown in figure a monkey of 20g mass is holding a light rope that p...
Text Solution
|
A bird is sitting on the floor of a wire cage and the cage is in the h...
Text Solution
|
Two bodies A (30 kg) and B (50 kg) tied with a light string are placed...
Text Solution
|
Weight is defined as:-
Text Solution
|
A string of length L and mass M is lying on a horizontal table. A forc...
Text Solution
|
A man is standing on a sparing platform, Reading of spring balaance is...
Text Solution
|
A rocket of mass 120kg. Is fired in the gravity free space is ejected ...
Text Solution
|
If 100N force is applied to 10kg. block as shown in diagram then accel...
Text Solution
|
If a ladder is not in balance against a smooth vertical wall, then it ...
Text Solution
|
A block is dragged on a smooth plane with the help of a rope which mov...
Text Solution
|
In the arrangement shown in the Fig, the ends P and Q of an unstretcha...
Text Solution
|