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`        an object is displaced from a point a(0,0,0) to b(1m,1m,1m)under a force f=(yi+xj)n.the work done by this force in this process is`
2 years ago

Arun
23047 Points
```							Dear student Displacement vector = i + j +kNowWork done = F.S= (y i + xj) n . ( i + j+ k)= ny + nx RegardsArun(askIITians forum expert)
```
2 years ago
21 Points
```							but answer is given as 1 joule                                                                                       the force is (yi+xj) Newton plz provide solution again         the correct answer is 1 joule
```
2 years ago
Arun
23047 Points
```							W = F. dr W = (yi+xj) . (dxi+dyj) dW = (ydx + xdy) dW = d(xy) integrating both sides , W = xy from (0,0,0) to (1,1,1) W = 1*1 - 0W = 1 joule Hope it helps RegardsArun(askIITians forum expert)
```
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