Home
Class 12
PHYSICS
(A) : Brakes of very small contact area ...

(A) : Brakes of very small contact area are not used although friction is independent of area of contact
( R) : Friction resists relative motion

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the

C

(A) is true but ( R) is false

D

Both (A) and (R ) are false

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Similar Questions

Explore conceptually related problems

(A) : Friction force always opposes the motion ( R) : Friction force can not support the motion

The limiting friction between two bodies in contact is independent of

Match the items mentioned in the lists I and II below LIST -1 a) Static friction b) Limiting friction c) Kinetic friction d) Rolling friction LIST - II e) constant for a given pair of surfaces f) Independent of area of contact g) Self adjusting h) Has the least magnitude for a given normal reaction