Which is/are not a mechanism commonly associated with tool wear (mark all that apply) ? a. Adhesion b. Attrition c. Abrasion d. Coercion

Answer: d) Coercion

Explanation:Tool wear is defined as the situation when the cutting tool is subjected to the regular process of cutting metal then they tend to wear because of the continuous action of cutting and facing stresses and pressure. The mechanism that does not happen during this process are coercion that means the process of exerting forces on any material forcefully against the will or need. Therefore, adhesion, attrition and abrasion are the process of tool wear. So the correct option is (d)