一足够长斜面,其倾角为θ=37°,一质量m=10 kg物体,在斜面底部受到一个沿斜面向上的F=100 N的力作用由静止开始运动,物体在2 s内位移为4 m,2 s末撤去力F,(sin 37°=0.6,cos 37°=0.8,g=10 m/s2)求:(1
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![一足够长斜面,其倾角为θ=37°,一质量m=10 kg物体,在斜面底部受到一个沿斜面向上的F=100 N的力作用由静止开始运动,物体在2 s内位移为4 m,2 s末撤去力F,(sin 37°=0.6,cos 37°=0.8,g=10 m/s2)求:(1](/uploads/image/z/14194662-6-2.jpg?t=%E4%B8%80%E8%B6%B3%E5%A4%9F%E9%95%BF%E6%96%9C%E9%9D%A2%2C%E5%85%B6%E5%80%BE%E8%A7%92%E4%B8%BA%CE%B8%EF%BC%9D37%C2%B0%2C%E4%B8%80%E8%B4%A8%E9%87%8Fm%EF%BC%9D10+kg%E7%89%A9%E4%BD%93%2C%E5%9C%A8%E6%96%9C%E9%9D%A2%E5%BA%95%E9%83%A8%E5%8F%97%E5%88%B0%E4%B8%80%E4%B8%AA%E6%B2%BF%E6%96%9C%E9%9D%A2%E5%90%91%E4%B8%8A%E7%9A%84F%EF%BC%9D100+N%E7%9A%84%E5%8A%9B%E4%BD%9C%E7%94%A8%E7%94%B1%E9%9D%99%E6%AD%A2%E5%BC%80%E5%A7%8B%E8%BF%90%E5%8A%A8%2C%E7%89%A9%E4%BD%93%E5%9C%A82+s%E5%86%85%E4%BD%8D%E7%A7%BB%E4%B8%BA4+m%2C2+s%E6%9C%AB%E6%92%A4%E5%8E%BB%E5%8A%9BF%2C%28sin+37%C2%B0%EF%BC%9D0.6%2Ccos+37%C2%B0%EF%BC%9D0.8%2Cg%EF%BC%9D10+m%2Fs2%29%E6%B1%82%EF%BC%9A%281)
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