Question

please guys help me....
in this question.....fast and explain this answer...​

Answer 1

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

Answer 2

Answer:

Beauty is not important...huh...?

Then use ur original dp...

Bakwaas...