如图所示,A物体的质量MA=50kg,B物体质量MB=10kg.AB间、B与地面之间的动摩擦因数均为μ=0.5.欲将B抽出:先用绳子将A系于墙上,然后用水平力F拉物体B,若tan0=4/3,问F至少多大才能将B物体抽出?(最好
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![如图所示,A物体的质量MA=50kg,B物体质量MB=10kg.AB间、B与地面之间的动摩擦因数均为μ=0.5.欲将B抽出:先用绳子将A系于墙上,然后用水平力F拉物体B,若tan0=4/3,问F至少多大才能将B物体抽出?(最好](/uploads/image/z/8408959-7-9.jpg?t=%E5%A6%82%E5%9B%BE%E6%89%80%E7%A4%BA%2CA%E7%89%A9%E4%BD%93%E7%9A%84%E8%B4%A8%E9%87%8FMA%3D50kg%2CB%E7%89%A9%E4%BD%93%E8%B4%A8%E9%87%8FMB%3D10kg.AB%E9%97%B4%E3%80%81B%E4%B8%8E%E5%9C%B0%E9%9D%A2%E4%B9%8B%E9%97%B4%E7%9A%84%E5%8A%A8%E6%91%A9%E6%93%A6%E5%9B%A0%E6%95%B0%E5%9D%87%E4%B8%BA%CE%BC%3D0.5.%E6%AC%B2%E5%B0%86B%E6%8A%BD%E5%87%BA%EF%BC%9A%E5%85%88%E7%94%A8%E7%BB%B3%E5%AD%90%E5%B0%86A%E7%B3%BB%E4%BA%8E%E5%A2%99%E4%B8%8A%2C%E7%84%B6%E5%90%8E%E7%94%A8%E6%B0%B4%E5%B9%B3%E5%8A%9BF%E6%8B%89%E7%89%A9%E4%BD%93B%2C%E8%8B%A5tan0%3D4%2F3%2C%E9%97%AEF%E8%87%B3%E5%B0%91%E5%A4%9A%E5%A4%A7%E6%89%8D%E8%83%BD%E5%B0%86B%E7%89%A9%E4%BD%93%E6%8A%BD%E5%87%BA%3F%EF%BC%88%E6%9C%80%E5%A5%BD)
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