Homework Help: Physics

Posted by Amanda on Wednesday, October 6, 2010 at 4:34pm.

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.

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Sorry crappy picture, but the circle is the mass and the diagonal lines represent the string the mass is attached to.

Physics - bobpursley, Wednesday, October 6, 2010 at 4:45pm
I assume the mass is not moving (yes, that matters, centripetal force).

the mass has a downward force of mg,

so CosTheta= mg/.2N

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