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The whole technology we trust, from cars to mobile phones, was made Using the physics. You do not need to know the science to use these things. But the experienced person should understand some important points, including music, art, history, and economic conditions. Robert Heinlein said all Time of enough love:
“A person will be able to change the diaper, kicking, kissing, riding, a ship, enabling a wall, making a bone, comforting the dead, ordering. Present the order, contact, do your own, do not solve the new, breast symptoms, prepare a tasty food, cut out the well, spoil comfortably, spoil comfortably, faintly, and spoil comfortlessly, faintly, to sow. Specialization is of insects. “
Therefore, to make no more pests, the six equivalent equations you need to know.
1. Tuesday of Newton
I hope you’ve already seen this-past 300 years, and it’s popular in science and t-shirts. They say web power on a substance matches the weight (mtime acceleration (a). But what does that mean? It all depends on the relationship-as if you hit the ball or throw a waterbrids on the floor.
Newton’s second law says we can describe this intimacy with the idea of ”power”. And what do power do? The net’s energy on an item changes the movement of an item. But wait! There are a lot of good things in this bright equation.
Check the arrows on top F with a? This indicates the changes with vector, meaning they have more than one information. For example, if someone asks you to “walk away” with one meter, where can you go? Who knows? You can go to the east or west of one meter or 39 degrees from the north. Distances are not the whole story; You also need to explain ways. This is true for all power and accelerations. More in some (like weight or heat) do not have a solution. This we call the scalaris.
Newton’s second commandment is very useful, but amazing, people do not seem to believe. The most common sense is that the persistent power makes a substance to a fixed speed. What the equation says, rather, and say when you push something with a steady force, it runs much.
