Question

why is heat energy needed to melt a solid ? what is this heat energy called?​

Answer 1

Heat energy is needed to melt a solid because heat energy increases the kinetic energy of particles, which is sufficient enough to break the attraction or bond between the particles and they start moving faster.This heat energy is called latent heat of fusion

Answer 2

Answer:

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Laten heat of fusion

We apply heat enrgy to Break the particles of the object.