Determine the distance between the foci and the major and minor axes of a pair of rolling ellipses with centers of rotation 8 in. apart. The angular velocity ratio is to vary from 0.4 to 2.5.
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Determine the distance between the foci and the major and minor axes of a pair of rolling ellipses with centers of rotation 8 in. apart. The angular velocity ratio is to vary from 0.4 to 2.5.
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- a rotating shaft carries four unbalanced masses 18 kg, 14 kg, 16 kg and 12 kg at radii 50 mm, 60 mm, 70 mm and 60 mm respectively. the 2nd, 3rd and 4th masses revolve in planes 80 mm, 160 mm and 280 mm respectively measured from the plane of the first mass and are angularly located at 60°, 135° and 270° respectively measured clockwise from the first mass looking from this mass end of the shaft. the shaft is dynamically balanced by two masses, both located at 50 mm radii and revolving in planes mid-way between those of 1st and 2nd masses and midway between those of 3rd and 4th masses. determine, graphically or otherwise, the magnitudes of the masses and their respective angular positions.CURVILINEAR: Cheezy placed an order for 16 cubic meters of sand. The sand was ejected from a dump truck at a 50-degree angle, with an initial velocity of 2 feet per second. Calculate the radius of curvature of the trajectory at the direction point 1m below point A. with IllustrationThis is a dynamics question. I made a mistake submitting it last time. Hint: vB=0.6 m/s down, aB=1.84 m/s2, theta=60.6 deg downward from +x-axis