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1.A portmanteau of length 1.5 m and height 1 m is carried up stairs by two men, who hold it by the front and back edges of its lower face. If the portmanteau is inclined at 30° to the horizontal and weighs 100 kg, how much of the weight each man support? |
| Answer» 1.A portmanteau of length 1.5 m and height 1 m is carried up stairs by two men, who hold it by the front and back edges of its lower face. If the portmanteau is inclined at 30° to the horizontal and weighs 100 kg, how much of the weight each man support? | |