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प्रश्न
A single fixed pulley is used because ______.
पर्याय
its efficiency is 100%.
it multiplies effort.
it multiplies speed.
it changes the direction of applied effort.
MCQ
रिकाम्या जागा भरा
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उत्तर
A single fixed pulley is used because it changes the direction of applied effort.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
