Center of Gravity for nonuniform plank

  • #1

Homework Statement


A box of negligible mass rests at the left end of a 1.90m, 23.5kg plank The width of the box is 75.0 , and sand is to be distributed uniformly throughout it. The center of gravity of the nonuniform plank is 50.0 from the right end.


I am lost pls help me

i know the torque is going to be zero, but i dont know where to go from here
 

Answers and Replies

  • #2
is Xcm equal to the fulcrum or the center of gravity?
 
  • #3
do i use the fact that torque equals zero or do i use the equation for the center of gravity..can someone just point me in the right direction?
 
  • #4
Doc Al
Mentor
45,029
1,326

Homework Statement


A box of negligible mass rests at the left end of a 1.90m, 23.5kg plank The width of the box is 75.0 , and sand is to be distributed uniformly throughout it. The center of gravity of the nonuniform plank is 50.0 from the right end.
What is the question? Please state the complete problem exactly as it was given.
 

Related Threads on Center of Gravity for nonuniform plank

  • Last Post
Replies
5
Views
7K
Replies
5
Views
8K
  • Last Post
Replies
2
Views
6K
  • Last Post
Replies
3
Views
3K
Replies
3
Views
5K
Replies
7
Views
3K
  • Last Post
Replies
3
Views
2K
  • Last Post
Replies
1
Views
1K
Top