Home
Class 12
PHYSICS
In which of the following cases the fric...

In which of the following cases the friction force between `'A'` and `'B'` is maximum. In all cases `mu_(1)=0.5, mu_(2)=0`.

A

B

C

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

Which of the following is/are nonpolar (mu = 0) ?

In the figure shown, the wedge is fixedand the masses are released from rest. The coefficient of friction between A and the incline is mu_(1) and B and the incline is mu_(2) . Then which of the following sentence is (are) correct (I) normal reaction between A and B can never be zero (II) normal reaction between A and B is zero only if mu_(1) = mu_(2)

In the figure shown, if friction coefficient of block 1 kg and 2kg with inclined plane is mu_(1) = 0.5 and mu_(2) = 0.4 respectively, then

A block of mass 4 kg is pressed againest the wall by a force of 80N as shown in figure Determine the value of the friction force and block's acceleration (Take mu_(s) = 0.2 , mu_(s) = 0.15)

In Fig block 1 is placed on top of block 2 .Both of then have a mass of 1 kg The coefficient of friction between block 1 and 2 are mu_(s) = 0.75 and mu_(k) = 0.60 The table is frictionless A force p//2 is applied on block 1 in the left and force P on block 2 to the right .Find the minimum value of p such that sliding accore between the two blocks

A block of mass 2 kg rests on a horizontal surface. If a horizontal force of 5 N is applied on the block, the frictional force on it is ("take", u_(k)=0.4, mu_(s)=0.5)

The two blocks A and B of equal mass are initially in contact when released from rest on the inclined plane. The coefficients of friction between the inclined plane and A and B are mu_(1) and mu_(2) respectiely. Friction is not sufficient to prevent slipping.

Which of the following can have negative value ? A. chi B. mu_(r) C. mu_(0) D. mu_(r) and chi both

In the figure shown if friction co-efficient of block 1 and 2 with inclined plane is mu_1=0.5 and mu_2=0.4 respectively, then find out the correct statement.

A car is moving along a banked road laid out as a circle of radius r . (a) What should be the banking angle theta so that the car travelling at speed v needs no frictional force from tyres to negotiate the turn ? (b) The coefficient of friction between tyres and road are mu_(s) = 0.9 and mu_(k) = 0.8 . At what maximum speed can a car enter the curve without sliding toward the top edge of the banked turn ?