It's like this
....▓▓▓▓▓│▓▓▓▓▓▓▓▓▓▓
...............││
...............││
...............││
..............//.\
.............\(.}//
..........,....▓
............../'/||
............//..IL
Showing the forces acting. (The -370N pull of the man on the rope, that you are saying, is an internal...