What is meant by moment of particles?

In summary, the moment of particles refers to the moment arm, which is the lever arm times the mass. The algebraic sum of moments of all particles about the center of mass must be zero in order for there to be no net force on the system. This term is not a standard physics term and can be further understood by looking at the context of its use. This term is used to determine if there is a net force on the system, with a zero moment indicating no net force.
  • #1
Aatreya Sarma
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What is meant by moment of particles ? Why the algebraic sum of moments of all particles about centre of mass must be zero ?
 
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  • #2
Can you give the context in which this term "moment" is used? And in what context is this "moment" zero about the center of mass? The "moment" of particles is not a standard physics term.
 
  • #3
Moment refers to moment arm ... the lever arm times the mass.

See https://en.wikipedia.org/wiki/Moment_(physics )

If the sum of the forces is zero, and the sum of the moments is zero, then there will be no net force on the system.
 
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What is meant by moment of particles?

The moment of particles refers to the rotational effect that a particle has on a body or system. It is a measure of the tendency of a particle to cause a rotation about a specific axis.

How is the moment of particles calculated?

The moment of particles is calculated by multiplying the force applied to the particle by the distance from the point of rotation to the line of action of the force. This can be represented mathematically as M = F x d, where M is the moment, F is the force, and d is the distance.

What is the difference between moment of particles and torque?

The moment of particles and torque are often used interchangeably, but there is a slight difference between the two. Torque refers to the rotational effect of a force on an object, while the moment of particles specifically refers to the rotational effect of a particle on a body or system.

How is the moment of particles affected by the position of the particle?

The moment of particles is directly affected by the position of the particle. The farther away the particle is from the point of rotation, the greater the moment of particles will be. This is because the distance (d) in the equation for calculating the moment of particles has a direct effect on the overall value.

What are some real-life applications of understanding the moment of particles?

Understanding the moment of particles is important in many fields, such as engineering, physics, and mechanics. It is used in designing structures and machines to ensure they can withstand external forces without breaking or tipping over. It is also important in understanding the stability and balance of objects and systems, such as in sports and transportation.

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