The compound-lever pruning shears shown can be adjusted by placing pin A at various ratchet positions on blade ACE. Knowing that 300-lb vertical forces are required to complete the pruning of a small branch, determine the magnitude P of the forces that must be applied to the handles when the shears are adjusted as shown.

Transcribed Image Text:

1.6 in 3.5 in o C 0.5 in 0.55 in 0.25 in -P 0.65 in. 0.75 in.