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```
a chain of mass m and length l is placed on a table with one-sixth of it hanging freely from the table edge .the amount of work done to pull the chain on the table is?

```
2 years ago

Arun
25768 Points
```							Dear student First of all calculate linear mass density of chain that is equal to mass/length. next since 1/6 length is hanging the centre of mass will rise to a height of 1/12length on pulling the chain up.next work done =m*g*h=(1/6L*m/L)*g*1/12L=1/72 mgl. RegardsArun
```
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