如右圖所示,質量4kg之物體靜置於光滑平面上,受一質量不計之繩子繫著,繩繞過無摩擦之定滑輪,他端施一10Nt向下之定力拉動之,使物體沿光滑水平面由A點滑到B,則施力作功若干焦耳?[85北聯]
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如右圖所示,質量4kg之物體靜置於光滑平面上,受一質量不計之繩子繫著,繩繞過無摩擦之定滑輪,他端施一10Nt向下之定力拉動之,使物體沿光滑水平面由A點滑到B,則施力作功若干焦耳?[85北聯]
Posted in 功與變力作功.
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By admin – 2009 年 03 月 25 日
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