Stan and kyle weigh the same amount. two 6 foot long ropes are grab onto one of them. stan just hangs there motionless (without touching the ground), while kylè swings back and forth. which of the following is true? a) the tension in the two ropes is the same, at any moment b) the tension in kyle's rope is always greater than the tension in stan's rope c) the tension in kyle's rope is always less than the tension in stan's rope d) the tension in kyle's rope is sometimes greater than the tension in stan's rope, and sometimes smaller explain (a fbd might be )