Answer :

Final answer:

Threads on machine screws are repaired using a die, which is essential in restoring damaged threads. The force applied to repair threads is similar to striking a hammer against a hard surface. Using the correct tool, like a die, ensures the functionality of the screw.


Explanation:

Threads on a machine screw are typically repaired using a die, which is a tool used to create or repair threads on screws or bolts. A die is essential in restoring damaged or rusted threads to their original state.

Comparing this situation to physics, when a person strikes a hammer against a hard surface, the force applied causes a change just like the restoration of threads on a screw using a die.

Therefore, to repair damaged threads on a machine screw, the correct tool to use is a die, making it crucial in maintaining the functionality of the screw.


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