Please help in 3, 4, and 5 A 75-kg block is attached to a cable. The cable is then attached to a rotating assembly with a mass moment of inertia of 18 kg-m^2. The bearing friction applied at therotating assembly equivalent to a couple of 45 N-m CCW. The block's downward speed is initially at 2 m/s.0.3 m75 kgm1. Which of the following does positive work on the system?2. Which of the following is closest to the work done by the bearing friction after the rotating assembly has rotated 1.5 radians CW?3. Which of the following is closest to the work done by the weight of the 75-kg block after the rotating assembly has rotated 1.5 radians CW?4. Which of the following is closest to the total work done by the system after the rotating assembly has rotated 1.5 radians CW?5. Which is following is closest to the speed of the 75-kg block after the rotating assembly rotated 1.5 rad CW?

Name: Please help in 3, 4, and 5 A 75-kg block is attached to a cable. The c
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Description: Please help in 3, 4, and 5 A 75-kg block is attached to a cable. The cable is then attached to a rotating assembly with a mass moment of inertia of 18 kg-m^2. The bearing friction applied at therotating assembly equivalent to a couple of 45 N-m CCW.

Givenm=75kgI=18 kg m2Tf=45 Nm CCWVi=2 m/s

Engineering

Mechanical Engineering

A 75-kg block is attached to a cable. The cable is then attached to a rotating assembly with a mass moment of inertia of 18 kg-m^2. rotating assembly equivalent to a couple of 45 N-m CCW. The block's downward speed is initially at 2 m/s. 0.3 m 75 kg

A 75-kg block is attached to a cable. The cable is then attached to a rotating assembly with a mass moment of inertia of 18 kg-m^2. rotating assembly equivalent to a couple of 45 N-m CCW. The block's downward speed is initially at 2 m/s. 0.3 m 75 kg

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 7.72P

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