1.

a) Calculate the power of the pump which can lift 100 kg of water to store in a water tank atthe height of 19 m in 25 sec. (take the value of g-10 m/s')b) Describe two methods used to reduce the friction between two surfaces.

Answer»

Reducethe forces acting on thesurfaces.

Reducethe contactbetweenthesurfaces.



Discussion

No Comment Found