alleryThe mechanical advantage of a fixed pulley is:
AFour
BZero
COne
DTwo
Answer & Solution
Correct answer: C. One
1. A fixed pulley does not reduce the force needed.
2. It only changes the direction of the effort.
3. So its mechanical advantage is 1.
4. The answer is one.
_Source: syllabus Science, Ch 7 'Work, Energy, and Simple Machines'_
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