What gives objects their resistance

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In summary, the strength of an object is influenced by its shape and mass, which affects its ability to withstand pressure. This is known as tensile strength and brittleness, and it is a complex concept that cannot be simplified into a single formula. The best way to understand it is by studying material properties and how they are affected by factors such as shape and composition.
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WavesOfPhysics
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some objects of the same material can be broken applying different amounts of strenght in a certain way, and this goes back directly to their shape and their mass.
and to break any object we have to put an amount of pressure sufficient enough and in the optimum places to get the best results, but how does the mass and the shape of the object influence it's resistance to pressure therefore giving it 'strenght' ?
any mathematical formulas would be of great help besides the literal describtion
 
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  • #2
In general, the ability to avoid breaking under load scales with the cross-section area.
I think the concepts you are looking for will fall around the idea of "tensile strength" and "brittleness" - go look.

In general - material properties is a complicated field - the strength of an object depends on how it is made as well as what it is made out of and it's shape, for instance. If you are looking for a simple formula - you won't find one.
 

FAQ: What gives objects their resistance

What is resistance?

Resistance is a measure of how much an object or material opposes the flow of electric current. It is represented by the unit ohm (Ω) and is influenced by factors such as the material's composition, temperature, and length.

Why do objects have resistance?

All objects have resistance because they are made up of atoms, which have positively charged nuclei and negatively charged electrons. When an electric current flows through an object, the electrons collide with the nuclei, causing resistance.

What factors affect an object's resistance?

The factors that affect an object's resistance include the material's composition, length, cross-sectional area, and temperature. Materials with high resistivity, longer lengths, smaller cross-sectional areas, and higher temperatures generally have higher resistance.

How is resistance measured?

Resistance is measured using a device called an ohmmeter, which applies a voltage to the object and measures the resulting current. The resistance can then be calculated using Ohm's law, which states that resistance is equal to voltage divided by current.

Can resistance be changed?

Yes, resistance can be changed by altering the material's composition, length, cross-sectional area, or temperature. For example, increasing the length or temperature of a material will generally result in a higher resistance, while increasing the cross-sectional area will decrease resistance.

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