Static electricity

Static electricity

Static electricity is an excess of electric charge trapped on the surface of an object. The charge remains until it …

Read more

Gravitation

Gravitation

Gravitation, or gravity, is the natural phenomenon by which physical bodies appear to attract each other with a force proportional …

Read more

Elasticity

Elasticity

When an elastic material is deformed due to an external force, it experiences internal forces that oppose the deformation and …

Read more