A 3.5-kg sphere S is being moved in a vertical plane by a robotic arm. When the angle is 35°, the angular velocity of the arm about a horizontal axis through O is 53 deg/s clockwise and its angular acceleration is 173 deg/s² counterclockwise. In addition, the hydrauli element is being shortened at the constant rate of 420 mm/s. Determine the necessary minimum gripping force P if the coefficient of static friction between the sphere and the gripping surfaces is 0.41. Compare P with the minimum gripping force P, required to hold the sphere in static equilibrium in the 35° position. 1.8 m 0 Answers: P= P₁ = i i N N

A 3.5-kg sphere S is being moved in a vertical plane by a robotic arm. When the angle is 35°, the angular velocity of the arm about a horizontal axis through O is 53 deg/s clockwise and its angular acceleration is 173 deg/s² counterclockwise. In addition, the hydrauli element is being shortened at the constant rate of 420 mm/s. Determine the necessary minimum gripping force P if the coefficient of static friction between the sphere and the gripping surfaces is 0.41. Compare P with the minimum gripping force P, required to hold the sphere in static equilibrium in the 35° position. 1.8 m 0 Answers: P= P₁ = i i N N

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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