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Question

Which part can help Avatar fix the broken trolley?


A
Pulley
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B
Tyre

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Solution

The correct option is A Pulley

  • The trolley moves across a metal rope which is tied to both sides of the mountains, either to a tree or a strong rock. The pulley is used to move the trolley.

  • Tyres can not roll on wire so it cannot be used.

    So, option A is correct.


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