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A mass of 5kg is lifted …

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A mass of 5kg is lifted for 2m above the ground. 1) calculate the work done by the lift. 2) calculate the work done by the gravitational force.

    • Posted by Jeet Kumar Nayak 7 years, 5 months ago

    CBSE > Class 09 > Science
    • 1 answers

    K.Radha Phanitha 7 years, 5 months ago

    Work done =Force×displacement Force is mg W=5×10×2 =100J Work done by gravitational force is -100J. As beacause gravitatiin and work done are opposite in direction

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