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प्रश्न
A single fixed pulley is used because ______.
विकल्प
its efficiency is 100%.
it multiplies effort.
it multiplies speed.
it changes the direction of applied effort.
MCQ
रिक्त स्थान भरें
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उत्तर
A single fixed pulley is used because it changes the direction of applied effort.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
