滑轮组的计算如右图,(上面一个动滑轮,拉着水中物体A),用滑轮组提升重物,物体A为立方体,重力为9.6×10的4次方N,密度为1.2×10的3次方㎏/m3,滑轮组的机械效率是80%,如果拉力的功率是2.5*10的3次方W
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/14 11:09:45
![滑轮组的计算如右图,(上面一个动滑轮,拉着水中物体A),用滑轮组提升重物,物体A为立方体,重力为9.6×10的4次方N,密度为1.2×10的3次方㎏/m3,滑轮组的机械效率是80%,如果拉力的功率是2.5*10的3次方W](/uploads/image/z/6872396-68-6.jpg?t=%E6%BB%91%E8%BD%AE%E7%BB%84%E7%9A%84%E8%AE%A1%E7%AE%97%E5%A6%82%E5%8F%B3%E5%9B%BE%2C%28%E4%B8%8A%E9%9D%A2%E4%B8%80%E4%B8%AA%E5%8A%A8%E6%BB%91%E8%BD%AE%2C%E6%8B%89%E7%9D%80%E6%B0%B4%E4%B8%AD%E7%89%A9%E4%BD%93A%29%2C%E7%94%A8%E6%BB%91%E8%BD%AE%E7%BB%84%E6%8F%90%E5%8D%87%E9%87%8D%E7%89%A9%2C%E7%89%A9%E4%BD%93A%E4%B8%BA%E7%AB%8B%E6%96%B9%E4%BD%93%2C%E9%87%8D%E5%8A%9B%E4%B8%BA9.6%C3%9710%E7%9A%844%E6%AC%A1%E6%96%B9N%2C%E5%AF%86%E5%BA%A6%E4%B8%BA1.2%C3%9710%E7%9A%843%E6%AC%A1%E6%96%B9%E3%8E%8F%2Fm3%2C%E6%BB%91%E8%BD%AE%E7%BB%84%E7%9A%84%E6%9C%BA%E6%A2%B0%E6%95%88%E7%8E%87%E6%98%AF80%25%2C%E5%A6%82%E6%9E%9C%E6%8B%89%E5%8A%9B%E7%9A%84%E5%8A%9F%E7%8E%87%E6%98%AF2.5%2A10%E7%9A%843%E6%AC%A1%E6%96%B9W)
xVMSSW+8rA#i')ݵ@HDCq( P D&$$,ܷAsνYs.W]X̹y}N"IuުՇCko8}uQin4ʱF%)pH s5F]3Q{]h.ZHz?nN?[F4U<=LDmFUAvW)\ق;U;߽O.^*dc,4Y*z"OAxfiqO]gg⯥"X3!Y&)aJ!ޝ\#301թeǥ>GPP2<(7HUz[vWoD@
n.8@aa \zmo#]P/E3<ᅓ//n-#o? _q|sڃ:3b yxw̃Cz4a֙V5&W ;`}d\8E,>MCͬ縞Hl"'i&$KEaP6Cl-D10OC;?MZ *g4gV7q]6|hW[U?
z`a6+