**Unformatted text preview: **radial component of the weight, or N. 83 . 45 cos ) s m (9.80 kg) 12 . ( cos 2 = ° = θ mg c) At the bottom of the circle, the tension is the sum of the weight and the radial acceleration, N, 1.86 )) 45 cos 1 ( 2 1 ( 2 2 = °-+ = + mg l mv mg or 1.9 N to two figures. Note that this method does not use the intermediate calculation of v ....

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