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Because it has been decided that the right and upwards directions in a plane are the positive directions and the left and downwards are negative. Originally, the decisions were arbitrary but conventionally agreed (in the same sort of way that North is usually shown at the top of a map).
Any displacement in a positive direction is called a positive displacement.
What else can I help you with?
If the displacement is negative 2 north and represents a positive displacement What is the direction?
south
A -2 displacement towards the north represents a positive displacement towards the south?
Indeed it is.
What is the stationary point where two wave points meet?
They are the locations where the amplitudes of the two waves combine destructively. The positive displacement of one wave is exactly matched by the negative displacement of the other so that the overall displacement is zero.
What is the horizontal distance between called?
It is called the displacement in the horizontal direction.
What is the straight line distance between two points called?
displacement
Why reciprocating compressor is called positive displacement compressor?
A reciprocating compressor is called a positive displacement compressor because it works by trapping a volume of gas and then reducing the volume to increase the pressure. This process ensures a constant flow rate and is based on the principle of displacing a fixed amount of gas with each stroke of the piston, hence the term "positive displacement."
Is it true that all hydraulic motor are positive displacement?
yes.only positive displacement pumps can be used in hydraulics
Is displacement considered positive or negative in the context of physics?
In physics, displacement can be either positive or negative depending on the direction of the movement. Positive displacement indicates movement in one direction, while negative displacement indicates movement in the opposite direction.
Why positive displacement pump is called positive displacement?
A positive displacement pump is called so because it displaces a specific quantity of fluid with each cycle of operation, regardless of the discharge pressure. This ensures a consistent flow rate that is proportional to the speed of the pump, making it ideal for applications where precise flow control is essential.
Why reciprocating pump is called positive displacement pump?
because they deliver a fixed quantity of the discharge irrespective of their rpm
What is the difference between a positive and non-positive displacement pump?
A positive displacement pump moves a constant volume of fluid for each cycle of operation, creating flow by direct displacement. In contrast, a non-positive displacement pump does not move a constant volume of fluid per cycle and relies on factors like speed and pressure to generate flow.
Where we use positive displacement pumps?
A positive displacement pump causes a liquid or gas to move by trapping a fixed amount of fluid or gas and then forcing (displacing) that trapped volume into the discharge pipe. Positive displacement pumps can be further classified as either rotary-type (for example the rotary vane) or lobe pumps similar to oil pumps used in car engines.Moreover,these pumps give a non pulsating output or displacement unlike the reciprocating pumps and hence are called positive displacement pumps
If the displacement is negative 2 north and represents a positive displacement What is the direction?
south
What uses positive pressure to move a fluid?
positive displacement pump
What is the high point of a wavelength called?
The high point of a wavelength is called the crest. It is the point on a wave that exhibits maximum positive displacement from the equilibrium position.
A -2 displacement towards the north represents a positive displacement towards the south?
Indeed it is.
Is displacement negative in physics?
In physics, displacement can be positive, negative, or zero, depending on the direction of the movement. Positive displacement means the object has moved in a certain direction, negative displacement means the object has moved in the opposite direction, and zero displacement means the object has not moved at all.
