Question: 7. An excavator is holding a 340 kg rock with its bucket (mass 900 kg). a. What force must the cylinder exert to hold

7. An excavator is holding a 340 kg rock with its bucket (mass 900 kg). a. What force must the cylinder exert to hold the bucket still? b. What magnitude of force must the pin attaching the bucket to the arm support? Uwrsrructun Arm Cylimier Boorn Ann Cylin&r Tracks Bucket Bucket Cylinder Front Attachment rock Pin to attach bucket to arm cylinder 1.0 m center of mass of bucket

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