A block is kept on a frictionless inclin...

A block is kept on a frictionless inclined surface with angle of inclination `alpha`. The incline is given an acceleration 'a' to keep the block stationary. Then a is equal to

A

`g`

B

`g tanalpha`

C

`g//tanalpha`

D

`gcosecalpha`

लिखित उत्तर

Verified by Experts

The correct Answer is:

B

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