Answer Key: Self-Test B-4.1
- MA = length of effort arm/length of resistance arm.
- The point of attachment must be above the centre of gravity, or the load may roll over.
- Regardless of the rigging, the load will shift to put its center of gravity directly below the hook.
- If rigged improperly, the shifting may cause the load to become unstable and result in an accident.
- c. 10:1
- b. Employer
