Work and Energy
Uttar Pradesh Board · Class 9 · Science
Most important questions from Work and Energy for Uttar Pradesh Board Class 9 Science board exam 2026. MCQs, short answer, and long answer questions with marks.
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What is the SI unit of work?
For work to be done on an object, which conditions must be satisfied?
A porter lifts a bag of 20 kg to a height of 2 metres. What is the work done by the porter? (Take g = 10 m/s²)
The energy possessed by a moving object is called:
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