Hydraulics and Fluid Mechanics in ME
The force exerted by a jet of water impinging normally on a plate which due to the impact of jet, moves in the direction of jet with a velocity v is

[wa (V - v²)]/g
[wa (V - v)]/g
[wa (V - v)²]/2g
[wa (V - v)]/2g

ANSWER DOWNLOAD EXAMIANS APP

Hydraulics and Fluid Mechanics in ME
When a body is placed over a liquid, it will float if

Gravitational force is more than the up-thrust of the liquid
Gravitational force is equal to the up-thrust of the liquid
Gravitational force is less than the up-thrust of the liquid
None of these

ANSWER DOWNLOAD EXAMIANS APP