![](data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" viewBox="0 0 72 71" width="72"></svg>)
On physical support/ A wooden block weighs G1. Put it on the horizontal plane, and a personal weight G2 stands on the wooden block When analyzing the stress of the wood block, the support force received by the wood block is G1 + G2. Or G1. Why?
The support force of the wood block is G1 + G2 upward
Reason: the pressure given by people to the wood block is G2, and the pressure given by the wood block to the floor is G1 + G2
According to the interaction force, the supporting force of the ground to the wood block is G1 + G2
How to find physical support
△ the supporting force in junior middle school physics is calculated indirectly according to the balance of two forces after force analysis according to the motion state of the object
△ the supporting force in high school physics. According to the motion state of the object, after the force analysis of multiple objects, one is to indirectly calculate the supporting force according to the balance of two forces; The second is to indirectly calculate the support force according to Niu Er's law
How to say "focus" in English? I wrote "concentrate \ attention". The teacher marked the first word. What's wrong?
Stay focus, very authentic usage. Your teachers teach Chinglish. When they go abroad, the locals rarely use it
How do you say it in English
classroom
What class are you in? How to say in English?
What class are you in?
Explain what the word means
Interpretation + interpretation = interpretation
RELATED INFORMATIONS
- 1. How to understand the meaning and long-term nature of the primary stage of socialism?
- 2. What are the meanings of "convenience"
- 3. The unselected road understands the whole poem with the meaning of road
- 4. Computational problems in Western Economics 1. Fill in the question mark in the following table according to the definitions of total utility and marginal utility: Total utility marginal utility of consumption of an article 1 10 2 15 3 3 4 20 5 1
- 5. What is the meaning or meaning of a child who wants to be raised but doesn't want to be loved?
- 6. Microeconomic principles explain why the demand for computers continues to increase while the total price of computers continues to decline
- 7. What is the function and significance of patent priority?
- 8. What is the difference between the concept of cost in economics and that in accounting
- 9. Complete the sentence according to the Chinese meaning. (each empty word) If you want to know what Yang Ling is doing, you can ask: What _______ you _______, YangLing? 2. If you want to know what the other party has, you can ask: What _______ you _______? 3. If you want to know what Miss Li has, you can ask: What _______ Miss Li _______? 4. If you want to tell others that you have a big tent, you can say: I _______ a _______ tent.
- 10. The meaning of juvenile China (part) If the whole country is young and the result is young, then China will be a country in the future, and its progress is immeasurable; If the youth of the whole country is also the boss, then China is the country of the past, and its death can be waited for Therefore, today's responsibility lies not in others, but in my youth Youth wisdom makes the country wise, youth wealth makes the country rich, youth strength makes the country strong, youth independence makes the country independent, youth freedom makes the country free, youth progress makes the country progress, youth is better than Europe, the country is better than Europe, youth is male to the earth, and the country is male to the earth The red sun rises at the beginning, and its path is bright; The river flows in an ambush, and the ocean pours; Qianlong leaps into the abyss, scales and claws flying; The suckling tiger roars in the valley, and all animals are terrified; Hawks and falcons test their wings, and the wind and dust stretch back and forth; The first birth of strange flowers, the gloomy emperor; The hair of a dry general has its awn; The sky wears its Cang and the earth wears its yellow; Even though there are thousands of years, there are eight wasteland; The future is like a sea, and the future is long Beautiful, I am young China, not old with the sky! Zhuang Zai, my Chinese youth, with the country boundless!
- 11. I'm Chinese, I can't speak English?
- 12. How to say fun in English?
- 13. I say goodbye to miss li
- 14. The teacher always encourages us to speak English in class?
- 15. If the domain of function f (x) is [0,1], then the domain of F (SiNx) is
- 16. Explain the principles, functions and consequences of the government's formulation of price ceiling and price bottom
- 17. because of the increased demand of oil from China and India,the prices of oil,iron,and other important resources have _____ Double since the early 1990s?
- 18. What do you say in English
- 19. Can we take a picture with you? How to say in English?
- 20. He wants to go to the movies