Forces acting on a particle placed on a plate

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    Forces Particle Plate
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Discussion Overview

The discussion revolves around the forces acting on a particle placed on a plate that is accelerating. Participants explore various interpretations of what constitutes a "particle" and the relevant forces in this context, including both contact and non-contact forces.

Discussion Character

  • Exploratory
  • Technical explanation
  • Conceptual clarification

Main Points Raised

  • One participant questions the definition of "particle," asking whether it refers to an elementary particle or a small mass treated as a particle.
  • Another participant suggests that a free-body diagram is a useful tool for visualizing the forces acting on the particle, recommending the inclusion of both contact forces and gravitational effects.
  • A further contribution identifies specific forces acting on a small mass considered as a particle, including contact force, electromagnetic force, weight, and inertial force due to acceleration, also mentioning the use of D'Alembert's principle to convert the problem into a static scenario.

Areas of Agreement / Disagreement

Participants have not reached a consensus on the definition of "particle" or the specific forces involved, indicating multiple competing views and interpretations remain in the discussion.

Contextual Notes

There are limitations regarding the assumptions made about the nature of the particle and the specific conditions of the scenario, which may affect the applicability of the discussed forces.

Arnab77
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wHAT are the forces acting on a particle placed on a plate which is moving with an acceleration??
 
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Arnab77 said:
wHAT are the forces acting on a particle placed on a plate which is moving with an acceleration??
What do you mean by "particle"? An elementary particle or just a small mass that can be treated as a particle?

In any case, what forces do you think act?
 


Easiest way to describe this is to draw a picture of what's happening, then draw a free-body diagram next to it. On the free-body diagram draw all the contact forces first (ie everything that is physically touching it), second draw all the non-contact forces, which for your purposes will only be the effects of gravity.
 


If it's a small mass considered to be a particle......
then forces acting are... contact force or electromagnetic force, weight, inertial force due to acceleration or d'alembert force to convert the problem into statics...
 

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