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This week’s questions

In physics work done on the system is taken as negative. But it is positive in Chemistry and simultaneously work done by the system is positive in physics but negative in Chemistry. Why?

Anmol Wakankar, Ernakulam, Kerala

Why do we experience stronger jolts in the rear seats than in the front while travelling on a bumpy road in a bus?D. V. Subrahmanya Sastry, Hyderabad

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