Wide binary stars with separation greater than about 2000 astronomical units are interesting natural laboratories that allow a direct probe of gravity at low acceleration weaker than about 1 nanometer ...
Consider the mechanism shown below made up of moveable links AB, BD and DE. Link AB is rotating CCW at a constant rate. Point C is the center of rotation for BD, where point C is at the intersection ...
Consider the mechanism shown below made up of moveable links AB, BD and slider D. Link AB is rotating CCW at a constant rate. Point C is the center of rotation for BD, where point C is at the ...
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