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Give some sums related to work done for class IX. Pls try to response because this is my SECOND QUESTION onlyyyyyyyyyyyyyyyyyyyyyyyy. I hope u will help me, Thank if u do

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by priyan

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by priyan

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1) A body of mass 10 kg wt. is moved on a horizontal table which is of height 1 m. Then now find the work done by gravity ?

2) A ball of mass 200 g is thrown up with velocity 20 m/s then find the work done by gravity on the ball while it was going up .

2) A ball of mass 200 g is thrown up with velocity 20 m/s then find the work done by gravity on the ball while it was going up .