Determine the required force P that must be applied at

Determine the required force P that must be applied at the blade of the pruning shears so that the blade exerts a normal force F on the twig at E.
Given:
F = 20 lb
a = 0.5 in
b = 4 in
c = 0.75 in
d = 0.75 in
e = 1 in




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