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प्रश्न
A pulley system has 7 pulleys in all. Its velocity ratio is ______.
पर्याय
less than 7
more than 7
equal to 7
none of these
MCQ
रिकाम्या जागा भरा
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उत्तर
A pulley system has 7 pulleys in all. Its velocity ratio is equal to 7.
shaalaa.com
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