Single fixed pulley has mechanical advantage of:
A2
B1
C3
D4
Answer & Solution
Correct answer: B. 1
1. A single fixed pulley simply redirects the rope.
2. Effort equals load (in ideal case).
3. So M.A. = load / effort = 1.
4. Its real benefit is convenience of direction, not force gain.
_Source: Selina Concise Physics ICSE Class 10, Ch 3 'Machines' (aplustopper.com extract)_
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