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9. Suppose that a block is pulled 16 meters across a floor. What amount of work is done if the force used to drag the block is 22 N?
Suppose that a block is pulled 16 meters across a floor. 352 Joules of work is done if the force used to drag the block is 22 N. Solution: Work done = Force * Displacement = 22N * 16m = 352 Nm; Work done = 352 Joules.
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Asked 4/17/2019 3:44:00 PM
Updated 251 days ago|2/18/2020 8:49:30 AM
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Suppose that a block is pulled 16 meters across a floor. 352 Joules of work is done if the force used to drag the block is 22 N.

Solution:
Work done = Force * Displacement = 22N * 16m = 352 Nm; Work done = 352 Joules.
Added 251 days ago|2/18/2020 8:49:30 AM
This answer has been confirmed as correct and helpful.
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Questions asked by the same visitor
1. A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. What's the efficiency of the machine? A. 92 percent B. 94 percent C. 97 percent D. 96 percent
Question
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Updated 125 days ago|6/22/2020 4:34:17 PM
1 Answer/Comment
A machine is supplied energy at a rate of 4,000 W and does useful work at a rate of 3,760 W. The efficiency of the machine is 94 percent.
Solution:
3,760 / 4,000 = 0.94
0.94 * 100 = 94% (answer)
Added 125 days ago|6/22/2020 4:34:17 PM
This answer has been confirmed as correct and helpful.
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