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A cord is used to lower vertically a block of mass M through a distance d at a constant downward acceleration g 4 Consider the following statements:1. The block is freely falling under gravity.2. The cord is doing work one the block.3. The amount of work done is (3Mgd)/4 .

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A cord is used to lower vertically a block of mass M through a distance d at a constant downward acceleration g 4 Consider the following statements:<br />1. The block is freely falling under gravity.<br />2. The cord is doing work one the block.<br />3. The amount of work done is (3Mgd)/4 .






 
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