Answer:
1. BY CUTTING IT Cutting force is the resistance of the material against the intrusion of the cutting tool.
2. BY SMASHING IT Usually, it takes a little more than 5 ½ pounds of force to crack an eggshell — much less than the weight of a human being — but the precise amount of force needed depends on the direction in which that force is applied and how much the force is distributed (or not) over the surface of the shell.
3. BY MELTING IT the melting point depends on the energy it takes to overcome the forces between the molecules, or the intermolecular forces, holding them in the lattice.
4. BY CRACKING IT a crack will propagate in order to lower the total energy of the system,
5. BY CUTTING IT force is the resistance of the material against the intrusion of the cutting tool.
Explanation:
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