Jill of the Jungle swings on a vine 6.4 long.

Question

What is the tension in the vine if Jill, whose mass is 59 , is moving at 3.0 when the vine is vertical?

Answer 1

Use Newtons 2nd law to solve this

We know Sum of forces in y=0
mv^2/r

59(9.8+(3.0^2/6.4))=T

T=661N

Answer 2

194