Question:
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?
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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
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Verified By Collegedunia
The Correct Option is B
Solution and Explanation
A single band wraps around 7 wheels (A-G). The band reaches middle wheel C from two different branches (via A and via E-F-G) that demand opposite spin directions for C - a contradiction since C is a single rigid wheel. This locks the whole mechanism, so no wheel including B can turn.
Final Answer: Cannot move, option (2).
Final Answer: Cannot move, option (2).
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