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A horizontal force acting on a block of ...

A horizontal force acting on a block of mass `m` which is placed on an inclined plane (as shown in the figure). What is the normal reaction `N` on the block?

A

`mg sin theta+F cos theta`

B

`mg sin theta-Fcos theta`

C

`mg cos theta-Fsin theta`

D

`mg cos theta +F sin theta`

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