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Solution


Q.

A liquid of density ρ comes out with a velocity 'V' from a horizontal tube of area of cross section A. The reaction force exerted by the liquid on the tube is f, then which of the following is incorrect
1 f∝V  
2 f∝V2  
3 f∝A  
4 f∝ρ  

Ans.

(1)

f=ρAv2