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1. |
The linear acceleration of the reel is |
A. | <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>gr </center></td><td rowspan="2"></td></tr><td align="center">(r + k )</td></table> |
B. | <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>gk </center></td><td rowspan="2"></td></tr><td align="center">(r + k )</td></table> |
C. | <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>grk</center></td><td rowspan="2"></td></tr><td align="center">(r + k )</td></table> |
D. | <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>mgr </center></td><td rowspan="2"></td></tr><td align="center">(r + k )</td></table> |
Answer» B. <table><tr><td rowspan="2"></td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;"><center>gk </center></td><td rowspan="2"></td></tr><td align="center">(r + k )</td></table> | |