First slide

Static friction

Question

A body is just supported at the face of a cart moving at an acceleration a. The acceleration of the cart so that the body does not slide is

Moderate

A

Independent of mass of the body
B

Inversely proportional to coefficient of friction
C

1&2
D

None

Solution

N = ma .................(1)
f_l = µN = µ ma .........................(2)
Now f_l= mg ⇒ µma = mg
⇒ a = g/µ
.: a α 1/µ

Get Instant Solutions

When in doubt download our app. Now available Google Play Store- Doubts App

Recieve an sms with download link

Doubts App

OR

SCAN ME

Doubts App

Doubts App