Question

If speed and density of a liquid coming out of a cylindrical pipe is increased to three times then force required to hold the pipe becomes

Answer 1

Answer:

If speed and density of a liquid coming out of a cylindrical pipe is increased to three times then force required to hold the pipe becomes 27 times more

Explanation:

As we know that the force due to liquid coming out of the pipe is given as

$F = \frac{dP}{dt}$

$F = v\frac{dm}{dt}$

here we know that

$m = \rho A x$

so we have

$\frac{dm}{dt} = \rho A \frac{dx}{dt}$

Now we have force given as

$F = v(\rho A v)$

$F = \rho A v^2$

now speed and density of the fluid is increased 3 times

so the force is given as

$F' = (3\rho) A(3v)^2$

$F' = 27 F$

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Topic : force to hold the pipe

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Answer 2

Explanation:

Flow speed Q is determined to be the amount of liquid passing by any place into an area through a point of time. In figures, this can be formulated as

Q=V/t

• Where V is the volume and t is the passed time. The SI unit for current rate is m3/s, but several different units for Q are in general use. For example, the heart of a resting adult elevates blood at a speed of 5.00 litres per minute (L/min). The record that a litre (L) is 1/1000 of a cubic metre or 1000 cubic centimetres (10-3 m3 or 103 cm3).

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