A 100 kg timber pole AB is at rest when is zero. The pole is connected to a cable at point A.An electric motor installed on a stationary frame lifts up the pole as shown in the figure belowby exerting a constant torque of 75 N.m. Find the angular velocity of the pole when is 60⁰.Highlight both the value and direction clearly.What is the tension in the cable when 0 is 75⁰?Note: The friction and masses of the pulley and the cable can be neglected. The diameter ofthe disk motor that the cable is attached to is 20 cm.d=20 cmElectric Motor (M)CableT = 75 N.mCB3 m4 m

The mass of timber pole AB is The system is at rest initially.The constant torque is

A 100 kg timber pole AB is at rest when is zero. The pole is connected to a cable at point A. An electric motor installed on a stationary frame lifts up the pole as shown in the figure below by exerting a constant torque of 75 N.m. Find the angular velocity of the pole when 0 is 60°. Highlight both the value and direction clearly. What is the tension in the cable when 0 is 75⁰? Note: The friction and masses of the pulley and the cable can be neglected. The diameter of the disk motor that the cable is attached to is 20 cm. l I Electric Motor (M) Cable T = 75 N.m C

A 100 kg timber pole AB is at rest when is zero. The pole is connected to a cable at point A. An electric motor installed on a stationary frame lifts up the pole as shown in the figure below by exerting a constant torque of 75 N.m. Find the angular velocity of the pole when 0 is 60°. Highlight both the value and direction clearly. What is the tension in the cable when 0 is 75⁰? Note: The friction and masses of the pulley and the cable can be neglected. The diameter of the disk motor that the cable is attached to is 20 cm. l I Electric Motor (M) Cable T = 75 N.m C

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.60P: The force P applied to the brake handle enables the band brake to reduce the angular speed of a...

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