A cable pulls an 267 kg safe up a slope inclined at 19 °, for 20 m on an very slippery oily surface. The safe starts and ends at rest. a) What is the work done by the normal force? zero X J b) What is the work done by the gravitational force? 17037.6 c) What is the work done by the cable? 1738.5

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Chapter7: Work, Energy, And Energy Resources
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A cable pulls an 267 kg safe up a slope inclined at 19, for 20 m on an very slippery oily surface. The safe
starts and ends at rest.
a) What is the work done by the normnal force?
zero
b) What is the work done by the gravitational force?
17037.6
c) What is the work done by the cable?
1738.5
Transcribed Image Text:A cable pulls an 267 kg safe up a slope inclined at 19, for 20 m on an very slippery oily surface. The safe starts and ends at rest. a) What is the work done by the normnal force? zero b) What is the work done by the gravitational force? 17037.6 c) What is the work done by the cable? 1738.5
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