Please help me with this question :( I have a test soon and I want to be prepared..
Detailed solutions please!
(I’ll give you 25points)

What tightening torque should be used for a hexagonal head screw (not split-bolt) on a 250 kcmil conductor?

The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.

Heterogeneous mixture with larger particles that never settle is