How Do Different Types of Forces Affect the Breaking of Glass?

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SUMMARY

The discussion focuses on the mechanics of how different forces, such as kinetic energy, momentum, and pressure, contribute to the breaking of glass. It establishes that glass, while having high tensile strength, is brittle and requires relatively little energy to break due to its structure. The conversation also highlights the importance of stiffness and strength in overcoming deformation when glass is subjected to external forces. Additionally, it notes that glass is particularly vulnerable to sonic vibrations, which can also lead to breakage.

PREREQUISITES
  • Understanding of kinetic energy and its role in material failure
  • Knowledge of momentum and its effects on objects
  • Familiarity with pressure and its impact on brittle materials
  • Concepts of stiffness and strength in material science
NEXT STEPS
  • Research the relationship between kinetic energy and material failure in brittle substances
  • Explore the effects of sonic vibrations on glass and other brittle materials
  • Study the mechanical properties of glass, including tensile strength and brittleness
  • Investigate the Charpy impact test for assessing material toughness
USEFUL FOR

Material scientists, mechanical engineers, and anyone interested in the physical properties of glass and its applications in construction and design.

Mt. Nixion
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What is it that makes a window break when a baseball hits it? Is it Kinetic energy, Momentum, or Pressure?

Also, how does that relate to and differ from force? Not the force that causes a change in acceleration, but deforms an object. When an object is being twisted,
the Stiffness and Strength of an object have to be overcome.

How is using kinetic energy, momentum or pressure to break something relate to and differ from using a force to deform an object?
 
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Kinetic energy being absorbed in the breaking of chemical bonds (electrical potential energy). Have a look at the http://www2.umist.ac.uk/material/research/intmic/features/charpy/notes.htm". Glass is brittle, and because of that it actually takes relatively little energy to break it - even though glass has such a high tensile strength, bridges are occasionally built out of it.
 
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Glass is probably the most brittle liquid on the planet. In addition to mechanical impact of physical objects, it's also very susceptible to sonic vibrations. (Okay, that wasn't helpful to the thread, but I felt obliged to point it out.):rolleyes:
 

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