ï»¿ Two wires of same material but different diameters d1 and d2 (d1 > d2) are loaded. Which can support more weight? from Physics Mechanical Properties of Solids Class 11 Manipur Board

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Two wires of same material but different diameters d1 and d2 (d1 > d2) are loaded. Which can support more weight?

Breaking stress is defined as breaking load per unit area. Breaking stress is constant of a material.

Therefore,

Breaking load = Breaking stress X Area

Breaking load is directly proportional to the diameter. Therefore, thick wire can support more weight than the thin wire.
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What is the force of adhesion?

Adhesive force is the attractive force between two unlike molecules. They are caused by forces acting between two substances like electrostatic force (attraction due to opposing charges), mechanical force etc.

E.g., Force of attraction between gum and paper.

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Define interatomic forces and give an example?

The force between atoms of the molecule is called interatomic force.

E.g.The nucleus and electron cloud of a molecule is binded by electrostatic force.
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What do you understand by intermolecular forces?

Intermolecular force is the force between the molecules of the substance is called intermolecular force.

There is a dipole-dipole interaction between the molecules.
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What is the nature of inter-atomic or inter-molecular forces?

Inter-atomic or inter-molecular forces are electrostatic in nature.

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What is the force of cohesion?

Cohesive attraction or cohesive force is the force of attraction between same types of molecules sticking together.
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