A liquid is moving through a pipe. If the speed of the liquid decreases, what happens to the pressure within the liquid?
Responses
The pressure within the liquid decreases.
The pressure within the liquid decreases.
The pressure within the liquid increases.
The pressure within the liquid increases.
Only density affects pressure, so pressure stays the same.
Only density affects pressure, so pressure stays the same.
The pressure within the liquid becomes zero.
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A liquid is moving through a pipe. If the speed of the liquid decreases, what happens to the pressure within the liquid?
Responses
The pressure within the liquid decreases.
The pressure within the liquid decreases.
The pressure within the liquid increases.
The pressure within the liquid increases.
Only density affects pressure, so pressure stays the same.
Only density affects pressure, so pressure stays the same.
The pressure within the liquid becomes zero.
If the speed of the liquid decreases in a pipe, the pressure within the liquid increases. This is because according to the Bernoulli's principle, if the speed of a fluid decreases, its pressure increases. So, the decrease in speed of the liquid causes an increase in the pressure within the liquid.
The first option is correct: The pressure within the liquid decreases.
To understand what happens to the pressure within a liquid when its speed decreases, we need to recall Bernoulli's principle. Bernoulli's principle states that as the speed of a fluid increases, its pressure decreases, and vice versa. This principle is based on the conservation of energy in a flowing fluid.
When a liquid is moving through a pipe, its speed is related to its kinetic energy. If the speed of the liquid decreases, its kinetic energy decreases as well. According to Bernoulli's principle, when the speed decreases, the pressure within the liquid increases. This increase in pressure is a result of the conservation of energy, where the loss of kinetic energy is converted into an increase in pressure.
Therefore, the correct response is:
The pressure within the liquid increases.
It is important to note that the effect on pressure is only due to the change in the liquid's speed, not any other factors such as density. Only density affects pressure if the speed remains constant.