InterviewSolution
Saved Bookmarks
| 1. |
Please guys help me....in this question.....fast and explain this answer... |
|
Answer» because always if any WORK in the FORM of energy, there will be POSITIVE and negative. so, now, in a circle, the place where we do the work that is the tangent will have a opposite tangent. which is negative. so the positive and negative cancels and FORMS neutral. which RESULTS in zero |
|