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State the condition necessary so that the law of conservation of angular momentum applies to a rotating system. - AQA - A-Level Physics - Question 2 - 2020 - Paper 5
Question 2
State the condition necessary so that the law of conservation of angular momentum applies to a rotating system.
Worked Solution & Example Answer:State the condition necessary so that the law of conservation of angular momentum applies to a rotating system. - AQA - A-Level Physics - Question 2 - 2020 - Paper 5
Step 1
Condition for conservation of angular momentum
Answer
The condition necessary for the conservation of angular momentum to apply is that no external net torque acts on the system. This means that all forces involved must either be internal or balanced in such a way that they do not produce a net torque on the system.