How about kilogram force per square centimeter
1 square centimeter = 10-4 square meter
1 kg force per square centimeter = 9.8 Newton ÷ 10 ^ (- 4)) = 98000 Pascal = 98000 ÷ 1000000 = 0.098 MPa
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(Note: the letters here can't be wrong in case)
kg / square centimeter means 1kg force / square centimeter is a common pressure; If the above formula is rounded, it is 0.1MPa ≈ 1kg force per square centimeter, 1m = the sixth power of 10, 1K = the third power of 10.
MPa (MPA) 10 ^ 6pa, PA is n / m ^ 2 per square meter. It's a unit of pressure. If it is kilogram force per square centimeter,
10kgf / cm ^ 2 ≈ 100N / cm ^ 2 = 10 ^ 6N / m ^ 2 = 1MPa
How many kilos is 1MPa equivalent to is a popular saying in practice, which is not accurate. Because MPa is the unit of pressure and kilogram is the unit of weight, it should be exactly how much kgf / cm2 is 1MPa
according to: 1MPa = 1000000pa; 1Pa=1N/m2 1Kgf=9.8067N 1m2 = 10000cm2
can be converted to 1MPa = 10.1971kgf/cm2
1 Pascal (PA) = 1 N / m2 (1n / m2); The sixth power of 1MPa = 10 is pa = 1 million PA = 1000000pa = 1000000n / m2
that is, 1MPa is equal to 1000000n / m2 [see formula [P = f / S (F is the pressure, s is the stressed area)]
PA is the pressure unit, 1pA is 1n / m2, 1pA = 1n / M & # 178;. 1pA is a very small pressure, directly using PA as the pressure measurement unit will also cause a lot of inconvenience to the actual calculation, so some larger measurement units are often used. For example, 1MPa, 1atm, 1mmhg
The value of1MPa is 1 million times of 1pA, i.e. 1MPa = 10 ^ 6pa. 1MPa (1MPa) = 1MPa
Pascal's achievements are manifold. His contribution to mathematics and physics occupies an extremely important position in the history of science Pascal is very accomplished in mathematics. In addition to the outstanding contribution to probability theory, the most outstanding one is the famous "Pascal theorem", which he put forward in the paper on conic. Pascal's theorem is an important theorem in projective geometry, that is, the intersection points of three opposite sides of a conic inscribed with a hexagon are collinear In the research of algebra, he published many papers on arithmetic progression and binomial coefficient, and found the coefficient law of binomial expansion, namely the famous "Pascal triangle" In our country, it is called "Yang Hui triangle"), he and Fermat jointly established the basis of probability theory and combinatorial theory, and obtained a series of solutions to the problem of probability theory. He studied the cycloid problem and obtained the general solution of different curve area and center of gravity. He calculated the integral of trigonometric function and tangent, and first introced the elliptic integral1Mpa=1N/mm2
=100N/cm2
=10.2公斤力/cm2
1MPa = 9.8kg/cm2 (generally can be approximated to 10),
in engineering, people often say how many kilogram pressure refers to kg / cm2, while the pressure gauge's constant standard is MPa
because 1 square centimeter = 0.0001 square meter
so
1kg / square centimeter = 10000kg / square meter
analysis:
there is 1kg on 1 square centimeter
that 10000 square centimeter will certainly have 10000kg
