1(iv)
The adjacent diagram shows the movable block of a block and tackle system with effort in a convenient direction. From the diagram we can conclude that the number of pulleys used in the fixed block are ............... .
- (a)1
- (b)3
- (c)2
- (d)4
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2
Reason — The diagram shows that the load is supported by two segment of strings, hence the number of pulleys used in the fixed block are two.