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Experiments indicate that the resistance coefficient k increases with the mass density of air purchase duetact 16mg without a prescription. This finding is consistent with the common observation that the snowflakes fall with smaller velocities in colder climates buy discount duetact 17mg on-line. In a free- fall experiment cheap duetact 16 mg on-line, a heavy body rapidly gains speed so that it becomes dif- ficult to record the falling distance as a function of time 16 mg duetact amex. To bypass this difficulty, Galileo designed an experiment in which the iron balls were set free on top of a smooth plane that made an angle a with the hori- zontal plane (Fig. The iron balls slid down the inclined plane much slower than the velocities observed during a free fall. Two distinct forces act on an iron ball moving down an inclined plane: the gravitational force mg pulling the ball downward and the force N ex- 46 2. The diagram shows the forces acting on the ball as it speeds down the inclined plane. Galileo polished the surface of the inclined plane as well as that of the spherical balls to reduce the frictional resistance to motion. There- fore, the contact force N acted in the direction normal to the plane of mo- tion as shown in Fig. Newton’s second law for the iron balls moving down an inclined plane can be written as mg sin a e1 2 mg cos a e2 1 N e2 5 m a1 e1 (2. Integrating acceleration a1 with respect to time, we find the following expressions for velocity (v1) and distance (s1) traveled: v1 5 v10 1 g t sin a (2. The velocity of an iron ball is zero at the instant it is released from rest (t 5 0) and thus v10 5 0. Galileo understood that to dis- cover the laws of motion, one would have to be able to measure time with better accuracy than permitted by an hourglass. He used his pulse to ob- serve that the period of oscillation of a given pendulum was approxi- mately constant. His interest in the properties of pendulums arose while looking at a chandelier that swung from the roof of the baptistry in Pisa. He determined that the period of the pendulum, the time it takes to swing from extreme right to extreme left and back, did not change with the weight of the bob. On the other hand, the period varied in proportion with the square root of the length of the pendulum. An equation for the period of a pendulum can be obtained by using Newton’s equations of motion. Newton’s second law in the direction of the string (shown by the unit vector er) and in the direction normal to the string (shown by the unit vector et) result in the following equations: m g cos u 2 T 52m (du/dt)2 L (2. The symbol u denotes the angle the pendulum makes with the horizontal axis; T is the tension ap- er plied by the thin rod on the bob. For this differential equation to have a unique solution, a set of initial conditions must be satisfied. As initial conditions, we specify that the mass m is held at its maximum elevation (u 5 u*) and is let go at t 5 0 with zero velocity. In mathematical language, the initial conditions are u 5 u*, and (du/dt) 5 0 at t 5 0 (2. For u* 5 p/2, the period of the pendulum (the time it takes for the pendulum to complete a whole swing and reach the same spatial point) can be shown to be equal to t* 5 7. That is why, when we observe children swing, that the period of the swing does not seem to change with the maximum angle of swing. A man hits a golf ball with ini- tial speed Vo and at an angle of a from the horizontal plane as shown in Fig. Solution: Neglecting air friction, the only force acting on the ball once it is off the ground is the gravitational force mg. With respect to the co- ordinate system E that is fixed on earth, the equation of motion reduces to 2mg e2 5 m (dv1/dt e1 1 dv2/dt e2 1dv3/dt e3) This is, in effect, three scalar equations: dv1/dt 5 0 (2. Laws of Motion Integrating these equations with respect to time we find v1 5 v10; v2 52gt 1 v20; v3 5 v30 (2. To determine the trajectory of the golf ball completely, we need to specify these constants. We assume the ball is at the origin of the refer- ence frame E and its initial velocity is in the (x1,x2) plane: x10 5 x20 5 x30 5 0; v10 5 Vo cos a, v20 5 Vo sin a, v30 5 0 at t 5 0 where Vo is the speed of the ball at t 5 0 and a is the angle that the ini- tial velocity makes with the e1 axis.
Some come for "serial brief therapy cheap duetact 17 mg overnight delivery," perhaps 3 to 12 sessions at a time buy generic duetact 17 mg on-line, re- turning several times over the years discount duetact 17 mg otc. The therapist is trained to think in depth buy generic duetact 16mg line, but that training can be applied in either long- or short-term work (Stadter & Scharff, 2000). When we have the opportunity to work with a couple over a longer pe- riod of time, from a few months to two or more years, we strive to help them "work through" their issues. This process mirrors the natural processes of growth, circling to cover overlapping territory again and again, each time using slightly different ways of addressing problem areas from different angles, contributing slowly to building new patterns with more adaptability. The human need for this kind of growth process makes long-term therapy a more beneficial process than most short-term inter- ventions. Short-term therapy is as effective as long-term therapy in those challenges to a couple that derail them from a normally healthy adjust- ment—sudden illness, loss of a job, death of a child, or developmental crises (marriage, a birth) that challenge them in ways for which they are unprepared. Then a short intervention may get them back on track so that their normally adaptive skills take hold again. Both Dennis and Christie were strongly in the grip of their bad, rejecting, and exciting internal objects. In those moments when they were able to see each other differently, they felt lucky to have each other, but too often the potential space collapsed and they went back to criticizing and complain- ing. They needed to mourn the losses in their lives over and over, before they could accept their own family as good enough. Object relations therapists see loss as the most frequent issue derailing development: losses in the early life of one or both partners, or in their shared life, as in the case of loss of a child or in previous divorces (J. Clinically, an oppor- tunity to mourn comes in the separations and reunions that are intrinsic to the ending of each session. This rhythm prepares couples for the loss of the therapy and therapist at the end of therapy. Studying the anxiety of ending sessions and mourning these losses—which are often felt in the transference-countertransference exchange—is a major focus of our work, leading to the work of termination of therapy that centers on using the op- portunity to review the course of therapy and the anxiety of proceeding in life without the therapist as guide. They considerably lessened their abusive behavior, and threats of di- vorce rarely came up. Dennis tolerates Christie’s taking the yearly trip to her family, and she has been good in sticking to their agreements. They increas- ingly express tenderness, and Dennis is more empathic about Christie’s sex- ual preferences. During the termination phase, they worked on re-owning their projective identifications. In the face of anxiety about going on alone, Christie fell back on holding Dennis responsible for derivatives of the corrupt sexual activities of her father and the dismissive attitude of the high society. Dennis fell back on holding Christie responsible for his renewed insecurities and anxieties, and renewed demands that she have everything ready at home, waiting for him to arrive, so that without me, he did not risk finding in her once again the neglectful mother who fails to take care of him. Reviewing these symp- toms, which recalled the beginning of our work, allowed them to mourn ter- mination of the therapy itself and to achieve a sad but satisfying termination. SUMMARY A couple’s relationship is central to both nuclear and extended family orga- nization, the place where individual issues come to poignant focus and the foundation stone for the entire human relational system. It draws on the history of each partner to create something new from which they both draw sustenance. Difficulties in their relationship pose formidable obsta- cles to their continued development and to offering a secure base for the next generation and the wider family. Clinically, we draw on the ways relationships are played out in the session to inform our work. Therapy is vitalized by the ways the therapeutic rela- tionship parallels the couple’s relationship as they recreate their difficulties in the transference-countertransference interaction. We depend most on our growing understanding derived in this way, but we also use other tools— focusing variously on a living history of the couple’s internal objects as it 156 THEORETICAL PERSPECTIVES ON WORKING WITH COUPLES explains times of heightened affect in sessions, examining the couple’s sexu- ality, making use of their dreams, establishing links between issues and events that the couple has been unable to link.
Verity (a good name) created the blue print series that was intended to eliminate the negative ego and to find the origin of our fears — the negative ego being responsible for our diseases and pains buy duetact 17mg line, our codependencies and the various inherited beliefs and habits that underlie our repetitive behaviors duetact 17 mg. Principles of Kinesiology Kinesiology uses simple and precise muscular tests to examine the body and identify the nature order duetact 16mg with amex, the location order duetact 17mg on line, the intensity, the history, and the origin of energy blockages so that the therapist can adapt a pro- gram of exercises to correct them. Using simple muscular tests, we can test a person to find out how he is organized, what are his dominant tendencies, how the communication is organized be- tween brain and eye, brain and ear, brain and hand, etc.. W e can bet- ter understand where the blockages or hold-ups occur, and how we can remedy them. It is these blockages that usually cause the difficul- ties we encounter at various stages of education, whatever our age. They also contribute to our constant stress, to difficulties of concen- tration and of communication, and they can even create muscular tensions that lead to poor posture. One might say that the body car- ries in itself the means of doing away with these blockages; using the appropriate tests, KINESIOLOGY can interrogate the body, and thus can understand and read the answers that the body itself offers for the problems encountered. W hen we give the body the neces- sary means to clear up these blockages, we very quickly see a clear improvement in everything that relates to the simplest activities such as reading, writing, seeing, hearing, remembering. Thus, kinesiologists believe that by probing the muscles with appropriate tests it would be possible to tap into this memory and the blockages that it generates. Let’s take a look at some excerpts from an advertising brochure put out by a group on edukinesiology. The two cerebral hemispheres are connected by a kind of bridge named the "corpus callosum", a complex bundle of nervous fibers that allows communication and coordination between these two parts of the brain. If, for any reason, this connection does not function cor- rectly, or if it is interrupted, the person will present very serious dis- orders that will handicap his general functioning. The right brain governs the "reflexes"; it perceives the overall picture in a given situation. It enables us to recognize a melody from the first two notes, or to recognize faces in a crowd. The left brain is "analytical"; it breaks up information into minimal units and deals with it sequentially. It controls the right part of the body, and is much emphasized in our education system, for it is the hemi- sphere of logic, which our. Neither hemisphere holds priority over the other but, quite to the contrary, complementary functioning is the rule, and it is precisely the lack of speedy connections between the two that lies at the origin of slow development in learning, expression, communication. W hen we talk about predominance, in educational kinesiology, it is in the context of looking to find out which of the two hemispheres the per- son more readily uses, in a given situation, and why he has trouble integrating and using the whole range of possibilities that he has at his disposal. Any secondary school student learns that the reflexes are seated in the spinal cord and not the brain. All the subsequent rea- soning is thus off-base and is re-interpreted in favor of kinesiologic practice. He then uses muscular and gymnastic exercises in an effort to rehabilitate the brain through its muscular connections. This technique has the merit of borrowing from the disciplines of speech therapy, physical therapy, and functional rehabilitation; but it rests on several theoretical inconsistencies, especially in regard to the brain’s role. Furthermore, proponents of this technique present it as the cure to whatever ails you. One brochure suggests that it will elimi- nate problems including: x physical: back pains, joint problems, migraines, eczema, coli- tis, impotence, sterility, ear-eye-nose-throat problems, etc. The positive results obtained at "brain gym" sessions with young children are due solely to the additional attention given to the "problem children". But questions must be asked when, in the context of a sug- gested training curriculum, esoteric concepts crop up that traditionally belong to patamedicine: the law of the five elements, the law of seven dimensions, the seven barometric tests, the four stages of evolution and 75 Healing or Stealing? It seems that edukinesiology, like so many other groups, uses edu- cation as a Trojan horse in order to get people to accept a message that has more to do with the fantasy of its creators than with the well-being of the participants. Early in th the19 century, an illiterate Austrian peasant named Priessnitz redis- covered the virtues of cold water; he created a hydrotherapy center and laid the foundations of a "purification" technique based on water and a lacto-vegetarian diet. A couple hundred miles away (in Czechoslova- kia), another pioneer, Schrotk, was following a similar path, using moist heat. The technique really took off under the magic wand of one Kneipp, a rural priest whose name would go down in history, inscribed on boxes of breakfast cereal. Kneipp founded an establishment in Ba- varia where the cold water cure would be supplemented by physical exercise, hot wraps, a frugal vegetarian diet, and treatments with me- dicinal plants and clay.