9th science Topic 2. work and energy

Q.1 Fill in the blank and rewrite the completed statements:  1.1 kWh = J Ans 1 kWh = 3.6 x 106 J 2. Work is equal to the product of …………… . Ans Work is equal to the product of force and displacement. 3. If the velocity of the body increased by 2 times, then …

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