07 The 180-1lb tree surgeon lowers himself wit rope over a horizontal limb of the tree. If the c rope over a horizontal limb of the tree. If the cient of friction between the rope and the li 0.60, compute the force which the man must the rone to let himself down slowy
6.107
a)The magnitude of the minimum force by surgeon's hands that will not allow the surgeon to move downward is _____lb.
b)
Assume the minimum force by the surgeon's hands is applied that will not allow the surgeon to move downward.
The magnitude of the internal force in the straight section of the rope between the seat and the limb is _____lb.
c)
Assume an additional loop is placed around the limb.
The magnitude of the minimum force by surgeon's hands that will not allow the surgeon to move downward is _____lb.
d)
Assume an additional loop is placed around the limb.
Assume the minimum force by the surgeon's hands is applied that will not allow the surgeon to move downward.
The magnitude of the internal force in the straight section of the rope between the seat and the limb is _____lb.
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