Problem, needs formular

  • Thread starter Kroberts
  • Start date
  • #1
Kroberts
I cannot solve this problem. Need help Please. here is the problem.
'What net Torque is required to give a uniform 2.0-kg solid ball with a radius of 0.20m an angular acceleration of 2.0 rad/Ssquare ?[
 

Answers and Replies

  • #2
Doc Al
Mentor
44,990
1,263
Hint: Similar to F=ma for translational dynamics, Torque is proportional to angular acceleration in rotational dynamics. Mass is replaced by "moment of inertia", which depends on the shape (and axis of rotation) of the object.

Find the moment of inertia of a solid ball.
 

Related Threads on Problem, needs formular

Replies
9
Views
2K
  • Last Post
Replies
5
Views
1K
  • Last Post
Replies
15
Views
2K
Replies
1
Views
1K
  • Last Post
Replies
2
Views
6K
  • Sticky
  • Last Post
Replies
6
Views
129K
Replies
3
Views
7K
Top