Find the tension in the stick when the ball is (a) at the twelve o’clock and (b) at the six o’clock positions.?
A 0.22-kg ball on a stick is whirled on a vertical circle at a constant speed. When the ball is at the three o’clock position, the stick's tension is 18 N. Find the tension in the stick when the ball is (a) at the twelve o’clock and (b) at the six o’clock positions.
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I've never tried a problem like this.
If the mass is .22kg, and the centripetal force at 3 o'clock is 18N, then the 18N is the centripetal force in the stick, free of gravitational acceleration.
(9.8 x .22) = 2.156N, + 18N = 20.156N tension at 6 o'clock;
(18N - 2.156N) = 15.844N tension at 12 o'clock position.