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The work done by lifting a body of mass 20kg and specific gravity 3.2 to a height of 8m in water is?(g=10ms-2)
The work done by lifting a body of mass 20kg and specific gravity 3.2 to a height of 8m in water is?(g=10ms-2)

```
3 years ago

Srivathsa
13 Points
```							Bouyant force =Mg/density =200/3.2=62.5Weight of body in water=Weight - bouyant force=200-62.5=137.5 W=F•S=FScosx=137.5×8×1=1100J✓✓
```
2 years ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions