Why W2(Work done at 2) is negative in Bernoulli's theorem?

Asked by Devansh Tiwari | 5th Jan, 2012, 12:00: AM

Expert Answer:

work done by the system= negative and work done on the system=positive.
as the water is pushed through one end of the pipe, so the work is done on it.
from the other end as the water is coming out as a result of push from the other end,so work is done by the system there.

Answered by  | 5th Jan, 2012, 09:49: AM

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