what led Johann Gottfried Galle to the discovery of Neptune. It took place 111 years after the publication of Newton's Principia and 71 years after Newton's death, so none of Newton's calculations could use the value of G; instead he could only calculate a force relative to another force...
where E equals 7,000 times MPA, KN equals 1,000 times Newton and d equals 640.3 times mm. Assume the segments farthest from the door interception are positive due to centrifugal force and that which is closet is negative. Use effective segment lengths of 40, 50 and 10 for segments AB, ...