To appreciate the strength of gravity, calculate the number of steel cables that would be required, in the absence of gravity, to hold the Moon in orbit about the Earth. Each cable has a cross-sectional area of 1 square meter, and the tensile strength of steel is 370 MPa.
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Ответ:
Explanation:
From the question we are told that:
Tensile strength of steel![\sigma_c=370 MPa.=370*10^6](/tpl/images/1393/2419/75863.png)
Cross-sectional area![A= 1m^2](/tpl/images/1393/2419/c1080.png)
Generally the equation for Total Force is mathematically given by
Since this is the force of each cable
Therefore
Ответ:
We call the acceleration of an object moving in uniform circular motion— resulting from a net external force—the centripetal ...