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The total energy of a liquid particle in motion is equal to
  • a)
    pressure energy + kinetic energy + potential energy
  • b)
    pressure energy – (kinetic energy + potential energy)
  • c)
    Potential energy – (Pressure energy + kinetic energy)
  • d)
    kinetic energy – (pressure energy + potential energy)
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
The total energy of a liquid particle in motion is equal toa)pressure ...
  • a) pressure energy + kinetic energy + potential energy


If m is the mass of the liquid moving with a velocity v, the kinetic energy of the liquid = 1/2 mv2. It is the energy possessed by a liquid by virtue of its height above the ground level. Total energy of the liquid in motion = 
pressure energy + kinetic energy + potential energy
.
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Most Upvoted Answer
The total energy of a liquid particle in motion is equal toa)pressure ...
The total energy of a liquid particle in motion is equal to the sum of its pressure energy, kinetic energy, and potential energy.

1. Pressure Energy:
Pressure energy is the energy possessed by a liquid particle due to the pressure it exerts on its surroundings or the pressure exerted on it by its surroundings. This energy is directly related to the pressure and volume of the liquid particle. When a liquid particle is in motion, it exerts pressure on its surroundings and also experiences pressure from its surroundings, resulting in pressure energy.

2. Kinetic Energy:
Kinetic energy is the energy possessed by a liquid particle due to its motion. It is directly related to the mass and velocity of the particle. When a liquid particle is in motion, it has kinetic energy associated with its velocity. The faster the particle moves, the greater its kinetic energy.

3. Potential Energy:
Potential energy is the energy possessed by a liquid particle due to its position or height relative to a reference point. It is directly related to the mass of the particle, acceleration due to gravity, and the height above the reference point. When a liquid particle is at a certain height above the reference point, it has potential energy associated with its position. The higher the particle is, the greater its potential energy.

Therefore, the total energy of a liquid particle in motion is equal to the sum of its pressure energy, kinetic energy, and potential energy. These three forms of energy are interrelated and contribute to the overall energy of the particle. The total energy of the particle can be expressed as a combination of these three energies:

Total energy = Pressure energy + Kinetic energy + Potential energy

Hence, option 'A' is the correct answer.
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