Both the object and the particles can move?

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In summary, in a sealed box with a set number of particles, there will be almost equal number of particle-object collisions in both cases where the object is static and all particles move, and where both the object and the particles can move with equal velocities and in random directions. This is because motion has little effect and no particular position is preferred, leading to similar results in both scenarios.
  • #1
Hootenanny
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Consider a sealed box with a set number of particles in, plus an object which has a massive volume compared to the other particles. In which case will there be more particle - object collisions?

(a)If the the object is static and all particles move.
(b)Both the object and the particles can move?

Any input would be appreciated :smile:
 
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  • #2
If all velocities are equal(both object and particles) and in random directions and consequently all particles are distributed randomly, one would expect both cases to give almost equal no of collisions.
Motion has little effect since averaged over time, these effects should cancel.Also no particular position is preferred.
 
  • #3
Thanx arunbg
 

1. What is the difference between an object and a particle in terms of movement?

The main difference between an object and a particle is their size. An object is typically larger and more complex, while a particle is much smaller and simpler. In terms of movement, an object can move in a variety of ways, such as rotation and translation, while particles mainly move through translation.

2. Can an object and its particles move independently of each other?

Yes, an object and its particles can move independently from each other. This is because particles are constantly in motion due to their kinetic energy, while an object may not necessarily be in motion unless acted upon by an external force.

3. How do particles contribute to an object's movement?

Particles make up the microscopic components of an object and their movements collectively contribute to the overall movement of the object. For example, in a gas, the individual particles are moving at high speeds and colliding with each other, which in turn causes the gas to expand and contract, resulting in the movement of the entire gas as an object.

4. Can an object move without any particles?

No, an object cannot move without particles. All objects are made up of particles, whether they are visible or not. Even in solid objects, the particles are constantly vibrating and contributing to the overall movement of the object.

5. How do the laws of motion apply to both objects and particles?

The laws of motion, as described by Newton, apply to both objects and particles. These laws state that an object will remain at rest or in motion at a constant velocity unless acted upon by an external force. This applies to both objects and particles, as they both follow the same fundamental principles of motion.

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