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什麼是壓力？舉幾個例子
從概念上說，壓力就是一種緊張的狀態，當一個人對外界的應對能力與社會對他的要求無法平衡時，人就會出現一種壓力感。
簡單通俗的來說就是環境對我們的要求、我們對自己的要求，當我們的能力或者方法無法滿足這些要求的時候，就形成了壓力。
壓力來源於兩個因素：
環境或者是社會對我們的要求，這個因素我們無法改變。
我們對自己的要求。我們自己有目標，目標過大，能力達不到的時候，就有了壓力。
這個時代的我們，都有壓力，我看過一篇文章說壓力是一種病，文章說早期壓力大的症狀是：輕微頭疼，偶爾失眠，用醫生的話說這種情況是亞健康，不需要治。
中期的症狀是：沒有人逼你工作的前提下，自己仍然明白要拼命工作才行，用醫生的話說這是心病，要慢慢調理。
晚期的症狀是：人已經習慣了這種病，沒有治療的慾望，年齡不大，但老覺得生活沒意義，沒奔頭。
壓力的概念
1、物理壓力：指發生在兩個物體的接觸表面的作用力，或者是氣體對於固體和液體表面的垂直作用力，或者是液體對於固體表面的垂直作用力。習慣上，在力學和多數工程學科中，“壓力”一詞與物理學中的壓強同義。
產生機理：
固體表面的壓力通常是彈性形變的結果，一般屬於接觸力。液體和氣體表面的壓力通常是重力和分子運動的結果。
壓力的作用方向通常垂直於物體的接觸面。如果觀測到壓力的作用方向與接觸面並不垂直，通常是由於壓力和摩擦力共同作用的結果。
2、心理壓力：壓力是心理壓力源和心理壓力反應共同構成的一種認知和行為體驗過程。壓力（stress）是一個外來詞，來源於拉丁文“stringere”，原意是痛苦。

What is stress? to give a few examples
Conceptually, stress is a state of tension. When a person's ability to cope with the outside world cannot be balanced with the demands of society, a person will experience a sense of stress.
In simple and popular terms, it is the requirements of the environment for us and our requirements for ourselves. When our ability or methods cannot meet these requirements, pressure is formed.
Stress comes from two factors:
The environment or the demands of society on us, we cannot change this factor.
Our demands on ourselves. We have our own goals, and when our goals are too large and our abilities cannot be achieved, we will be under pressure.
In this era, we all have stress. I read an article saying that stress is a disease. The article said that the symptoms of early stress are: slight headache, occasional insomnia, in the doctor's words, this situation is sub-health, no need rule.
The symptoms in the mid-term are: under the premise that no one is forcing you to work, you still understand that you have to work hard. In the words of the doctor, this is a heart disease, and you need to take care of it slowly.
The symptoms in the late stage are: people are used to the disease, have no desire for treatment, are young, but feel that life is meaningless and have no rush.
stress concept
1. Physical pressure: refers to the force that occurs on the contact surfaces of two objects, or the vertical force of a gas on the surface of a solid and a liquid, or the vertical force of a liquid on the surface of a solid. Traditionally, in mechanics and most engineering disciplines, the word "pressure" is synonymous with pressure in physics.
Generation mechanism:
The pressure on a solid surface is usually the result of elastic deformation and is generally a contact force. The pressure on the surfaces of liquids and gases is usually the result of gravity and molecular motion.
The direction of action of the pressure is usually perpendicular to the contact surface of the object. If pressure is observed to act in a direction that is not perpendicular to the contact surface, it is usually due to the combined effect of pressure and friction.
2. Psychological stress: Stress is a cognitive and behavioral experience process composed of psychological stressors and psychological stress responses. Stress is a foreign word derived from the Latin "stringere", which means pain.