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This is given by 𝐹 = 𝑇 − (𝑚 𝑔 𝜃), s i n where 𝑇 is the tension in the string and 𝑔 is the acceleration due to gravity. The accelerations of the suspended and the supported bodies are both equal to the net forces on them divided by their masses, and both accelerations are equal.
Recall that the magnitude of the vector moment of a planar force ⃑ 𝐹 about a point is given by ‖ ‖ 𝑀 ‖ ‖ = ‖ ‖ ⃑ 𝐹 ‖ ‖ 𝐿, where 𝐿 is the perpendicular distance between the point and the line of action for force ⃑ 𝐹. We can rearrange this equation to write 𝐿 = ‖ ‖ 𝑀 ‖ ‖ ‖ ‖ ⃑ 𝐹 ‖ ‖.
22 godz. temu · Hubble's law, also known as the Hubble–Lemaître law, is the observation in physical cosmology that galaxies are moving away from Earth at speeds proportional to their distance. In other words, the farther they are, the faster they are moving away from Earth. The velocity of the galaxies has been determined by their redshift, a shift of the light they emit toward the red end of the visible ...
22 godz. temu · IntroductionThe derivation process of the formula of universal gravitation can be said to be the most glorious moment created by Newton, because this formula is undoubtedly the integration of the huge and complex observation data of people at that time, and the simplest...
22 godz. temu · Summary of physics knowledge points in the second volume of the eighth grade of the People's Education Edition Chapter 7 Force 7.1 Force (F) 1, Definition: Note (1) The generation of a force must have a force object and a force object, and there are both ...
