The resistance and the effort force are used to calculate the mechanical advantage. Arranging the threads of the screw closer together will increase the mechanical advantage. Thus, option C is correct.
What is the mechanical advantage?
Mechanical advantage is the ratio of the output force to the input force. It allows easier task performance by obeying the conservation of mass.
The closer threads of the screws make the distance covered to be more, and the force applied will be multiplied which will be a mechanical advantage over threads placed far apart.
Therefore, option C. threads located closer have more mechanical advantages.
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