Understanding the Spread of Vibration When a Stone Drops on a Surface

  • Thread starter Skhandelwal
  • Start date
  • Tags
    Collision
In summary, the conversation discusses the propagation of vibrations on a surface and whether they continue to spread forever or eventually dissipate due to factors such as friction and thermal energy. The concept of quantized waves and the possibility of vibrations being reversed by explosions is also mentioned. The definition of vibration and wave is also brought up and the question of whether a wave can ever truly disappear is raised.
  • #1
Skhandelwal
400
3
When a stone drops on a surface...the vibration on the surface...does it continue to spread forever...but keeps becoming more and more negligable...does it travel distances forever or does it slows down at some rate that it forms an asymptote?

Thank you.
 
Last edited by a moderator:
Physics news on Phys.org
  • #2
Skhandelwal said:
When a stone drops on a surface...the vibration on the surface...does it continue to spread forever...but keeps becoming more and more negligable...does it travel distances forever or does it slows down at some rate that it forms an asymptote?

Thank you.

I suppose ideally the wave would propagate forever but vibrational waves are quantized. If the intensity of the wave is low enough you could be waiting a very long time to detect a wave and may have trouble distinguishing what you are trying to detect from the surrounding thermal vibrations.
 
  • #3
The wave represents a coherent excitation; dissipation (friction, viscosity, etc) will pull energy out of the wave over time. At some point the energy in the wave is comparable to thermal energy, and the wave cannot reasonably be said to exist.
 
  • #4
I guess technically...you are right...you are right to such a extent that even if the vibration does manage to travel beyond some point...a slightest explosion can reverse its direction...but the point I was trying to make is that...even though...the direction might be keep switching...does a point ever really come where theoretically, the wave Perfectly(100%ly) disappears?(I know that it will transform...but will it ever stop travelling?)

What exactly is vibration anyways? What is a wave? looking up in wikipedia didn't help so I am looking for something different...
 

FAQ: Understanding the Spread of Vibration When a Stone Drops on a Surface

What causes vibrations when a stone drops on a surface?

When a stone drops on a surface, it creates a force that causes the surface to vibrate. This is due to the transfer of kinetic energy from the stone to the surface, which causes the molecules in the surface to oscillate and create vibrations.

How does the size of the stone affect the spread of vibration?

The size of the stone can affect the spread of vibration by increasing the force of impact and therefore the amount of kinetic energy transferred to the surface. A larger stone will create stronger vibrations compared to a smaller stone.

What role does the surface material play in the spread of vibration?

The surface material plays a significant role in the spread of vibration. Softer materials, such as sand or soil, will absorb and dampen vibrations more than harder materials, such as concrete or metal. This can affect how far the vibrations travel and their intensity.

How does the height from which the stone is dropped impact the spread of vibration?

The height from which the stone is dropped can impact the spread of vibration by increasing the amount of potential energy and therefore the force of impact. A higher drop height will result in stronger vibrations compared to a lower drop height.

Can vibrations from a dropped stone cause damage to the surface?

Depending on the force of impact and the type of surface, vibrations from a dropped stone can potentially cause damage. For example, repeated vibrations on a thin glass surface may cause it to crack or shatter. However, most surfaces can withstand the vibrations from a single dropped stone without damage.

Similar threads

Back
Top