N1: Rigging Trade Theory – Module 9 Levelling a Load
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Question 1 of 4
1. Question
Q1 – The centre of gravity of an object is the point where that object will balance. It is the point where the whole mass is concentrated.
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Question 2 of 4
2. Question
Q2 – Objects with a uniform shape possess a lifting problem if the centre of gravity lies at the centre of the object.
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Question 3 of 4
3. Question
Q3 – With oddly shaped objects the centre of gravity will be difficult to determine, and the rigger may have to guess where the centre of gravity lies.
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Question 4 of 4
4. Question
Q4 – When lifting a load where the centre of gravity is not easily estimated, it may start to tilt or if the load wants to topple over. Immediately stop lifting and reposition the slings
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