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प्रश्न
State whether the work done in the following case is positive or negative.
Lifting a box through a height.
लघु उत्तरीय
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उत्तर
The work done by the lifting force is positive. This is because the upward force applied by the person acts in the exact same direction as the upward displacement of the box.
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क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Work, Power and Energy - Intex Question [पृष्ठ २८]
