W = Integral force

  • Thread starter dareupgang
  • Start date
  • #1
dareupgang
3
0

Homework Statement


A force F = (4xi + 3yj) N acts on an object as the object moves in the x direction from the origin to x = 5.0m. Find the work W= Integral F x dr done by the force on the object


Homework Equations


W= ∫Fx dr


The Attempt at a Solution


∫4xi 2x^2 0 to 5
 

Answers and Replies

  • #2
Matterwave
Science Advisor
Gold Member
3,966
327
Your work looks right, just evaluate your integral.
 
  • #3
dareupgang
3
0
I checked the solution manual and for some reason they extracted the 4 outside the integral 4 ∫(x^2)/2 0 to 5

Is the 4 a constant ? is that why they pulled it out
 
  • #4
ManyNames
136
0
I checked the solution manual and for some reason they extracted the 4 outside the integral 4 ∫(x^2)/2 0 to 5

Is the 4 a constant ? is that why they pulled it out


Probably a typo.
 
  • #5
Matterwave
Science Advisor
Gold Member
3,966
327
4 is just a number, how can it not be a constant?
 

Suggested for: W = Integral force

  • Last Post
Replies
5
Views
2K
  • Last Post
Replies
2
Views
4K
  • Last Post
Replies
4
Views
2K
Replies
3
Views
863
Replies
6
Views
6K
  • Last Post
Replies
6
Views
2K
Replies
0
Views
1K
  • Last Post
Replies
9
Views
5K
  • Last Post
Replies
26
Views
2K
  • Last Post
Replies
1
Views
1K
Top