A cubical block of wood of edge 3 cm flo...

A cubical block of wood of edge 3 cm floats in water. The lower surface of the cube just touches the free end of a vertical spring fixed at the bottom of the pot. Find the maximum weight that can be put on the block without wetting it. Density of wood =`800 kgm^-3` and spring constant of the spring `=50Nm^-1 Take g=10ms^-2`.
,

`1.35N`

`1.55N`

`1.65N`

`1.75N`

Text Solution

Verified by Experts

The correct Answer is:

In equilibrium total weight `W=Kx+F_(b)`
`(M+m)g=Kx+Vrho_(w)g`

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