I assume the mass is not moving (yes, that matters, centripetal force).
the mass has a downward force of mg,
so CosTheta= mg/.2N
A 20 g mass is attached to a 120 cm long string. The tension in the string is measured to be .200N. What is the angle.
l\
l \
l \
l \
l o
l
Sorry crappy picture, but the circle is the mass and the diagonal lines represent the string the mass is attached to.
2 answers
It's wrong!!!