A 1.7-kg sphere S is being moved in a vertical plane by a robotic arm. When the angle e is 24°, the angular velocity of the arm about a horizontal axis through O is 57 deg/s clockwise and its angular acceleration is 222 deg/s² counterclockwise. In addition, the hydraulic element is being shortened at the constant rate of 430 mm/s. Determine the necessary minimum gripping force Pif the coefficient of static friction between the sphere and the gripping surfaces is 0.56. Compare P with the minimum gripping force Ps required to hold the sphere in static equilibrium in the 24° position.

A 1.7-kg sphere S is being moved in a vertical plane by a robotic arm. When the angle e is 24°, the angular velocity of the arm about a horizontal axis through O is 57 deg/s clockwise and its angular acceleration is 222 deg/s² counterclockwise. In addition, the hydraulic element is being shortened at the constant rate of 430 mm/s. Determine the necessary minimum gripping force Pif the coefficient of static friction between the sphere and the gripping surfaces is 0.56. Compare P with the minimum gripping force Ps required to hold the sphere in static equilibrium in the 24° position.

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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