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pulley 的热门建议

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6 Pulley Problems
33:46
YouTubePhysics Ninja
6 Pulley Problems
Physics Ninja shows you how to find the acceleration and the tension in the rope for 6 different pulley problems. We look at the free-body diagrams and apply Newton's laws to different pulley problems Visit my Etsy store and support Physics Ninja: https://physicsninja.etsy.com
已浏览 50.4万 次2018年11月3日
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to lift a heavy crate a man uses a block and tackle attached to the bottom of an i beam at hook b knowing that the moments about the y and the z axes of the force exerted at b by portion a b of the ro
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A ‘Block and Tackle’ System Used 3 Pulleys in the Lower Block and 4 Pulleys in the Upper Block. What is the ‘Velocity Ratio’ of this System? If the Load is to Be Lifted by a Person Capable - Physics | Shaalaa.com
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