A triangular lamina of area A and height...

A triangular lamina of area `A` and height `h` is immersed in a liquid of density `rho` in a vertical plane with its base on the surface of the liquid. The thrust on the lamina is.

`1/2 Arhogh`

`1/3 Arhogh`

`1/6 Arhogh`

`2/3 Arhogh`

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