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A small chain is often seen hanging at the back of a petrol carrying lorry. State and explain its significance.
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Jul 7, 2021
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Physics Form 1
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anonymous
A small chain is often seen hanging at the back of a petrol carrying lorry. State and explain its significance.
electrostatic charging of objects by rubbing
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Jul 7, 2021
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Friction generates charges on the lorry the chain discharges the lorry to prevent sparks which may lead to explosion
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