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6) A crane lowers a girder into place. Consider the work Wg done by gravity and the work WT done by the tension in the cable. Which is true? Wg positive and WT = positive Wg positive and WT = negatlive Wg negative and WT = positive Wg = negative and WT = negative

6) A crane lowers a girder into place. Consider the work Wg done by gravity and the work WT done by the tension in the cable. Which is true? Wg positive and WT = positive Wg positive and WT = negatlive Wg negative and WT = positive Wg = negative and WT = negative

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6) A crane lowers a girder into place. Consider the work Wg done by gravity and the work WT done by the tension in the cable. Which is true? Wg positive and WT = positive Wg positive and WT = negative Wg =negative and WT = positive Wg = negative and WT = negative
Transcribed Image Text:6) A crane lowers a girder into place. Consider the work Wg done by gravity and the work WT done by the tension in the cable. Which is true? Wg positive and WT = positive Wg positive and WT = negative Wg =negative and WT = positive Wg = negative and WT = negative
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