MY CART (5)

Use Coupon: CART20 and get 20% off on all online Study Material

ITEM
DETAILS
MRP
DISCOUNT
FINAL PRICE
Total Price: Rs.

There are no items in this cart.
Continue Shopping
Menu
Grade: 11
        
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

Answers : (3)

Arun
23047 Points
							
Dear student
 
Displacement vector = i + j +k
Now
Work done = F.S
= (y i + xj) n . ( i + j+ k)
= ny + nx
 
Regards
Arun(askIITians forum expert)
2 years ago
prasad
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 - 0

W = 1 joule

 

Hope it helps

 

Regards

Arun(askIITians forum expert)

2 years ago
Think You Can Provide A Better Answer ?
Answer & Earn Cool Goodies


Course Features

  • 101 Video Lectures
  • Revision Notes
  • Previous Year Papers
  • Mind Map
  • Study Planner
  • NCERT Solutions
  • Discussion Forum
  • Test paper with Video Solution


Course Features

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


Ask Experts

Have any Question? Ask Experts

Post Question

 
 
Answer ‘n’ Earn
Attractive Gift
Vouchers
To Win!!! Click Here for details