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For no friction to act on a block kept o...

For no friction to act on a block kept on an accelerating wedge as shown in figure, acceleration a of the wedge should be -

A

`(g)/(sqrt(3))`

B

`g sqrt(3)`

C

`(g)/(2)`

D

`g (sqrt(3))/(2)`

Text Solution

Verified by Experts

The correct Answer is:
A

`mg sin 30^(@)=ma cos 30^(@)`
`rArr a=g tan 30^(@)`
`rArr a=(g)/(sqrt(3))`
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RESONANCE-DAILY PRACTICE PROBLEM-DPP No.38
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