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The acceleration of the block is...

The acceleration of the block is

A

`6 m//s^(2)`

B

`8 m//s^(2)`

C

`10 m//s^(2)`

D

`12 m//s^(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
`uarr : N + 30 = 50 rArr N = 20`
`f_(max) = mu N = (1)/(2) xx 20 = 10`
`rarr : 40 - 10 = 5a rArr a = 6 m//s^(2)`
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