1. What are the effects of performing a cutting operation with a dull tool? A very sharp tool? 2. To 1 answer below »

1. What are
the effects of performing a cutting operation with a dull tool? A very sharp
tool?

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2. To what
factors do you attribute the difference in the specific energies in machining
the materials?

3. Why is
there a range of energies for each group of materials?