Question:hard
A band passes around all the wheels so that they can all be turned by the driving wheel. When the driving wheel turns in the direction shown, which way will the wheel B turn?
A band passes around all the wheels so that they can all be turned by the driving wheel. When the driving wheel turns in the direction shown, which way will the wheel B turn?
Show Hint
Trace the band around the whole closed loop back to the start and check whether every wheel gets one consistent spin direction.
Updated On: Jul 14, 2026
- Clockwise
- Cannot move
- Anti-clockwise
- Either way
Show Solution
The Correct Option is B
Solution and Explanation
Wheel C is reached by two branches of the same band that disagree on its required spin direction, jamming the mechanism entirely - none of the wheels can turn.
Final Answer: Cannot move, option (2).
Final Answer: Cannot move, option (2).
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