Two inclines have the same height, but make different angles with the horizontal. The same steel ball is rolled down each incline. On which incline will the speed of the ball at the bottom be greatest? Explain.
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Two inclines have the same height, but make different angles with the horizontal. The same steel
ball is rolled down each incline. On which incline will the speed of the ball at the bottom be greatest?
Explain.
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- Determine the moment produced by the force F = 0.578 i +2.376 j - 1.376 k, and the position vector r= 4i + 10j - 3k Select one: -6.632i +3.77j +3.724k +2.64i - 7.08j - 2.968k -5.74i - 3.208j -10.68k - 3.64i +29.238j +18.568k None7-25. Determine the internal normal force, shear force, and the moment at points C and D. A 2 m 2 kN/m 6 m 45° B D 3 m 3 m - Prob. 7-25A disk of M = 5kg, radius R = 3m is rotating %3D %3D counterclockwise about its center with an angular speed of wi = 3rad/s. 1m and mass 2 kg is %3D a) A thin hoop of radius R dropped on the disk so that it lands on the disk's surface and they share a center the angular speed of the pair %D after the collision? b) find the angular speed of the system if the hoop lands by the edge of the disk, so that the edge of the hoop is 0.5 m away from the center of the disk Overhead view a) b) 0.5m
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