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Senior High
Physics
靜摩擦係數怎麼算
Physics
Senior High
about 2 hoursago
Z
靜摩擦係數怎麼算
◎第5~6題為題組: 如右圖所示,一質量為8公斤的物體平放於一水平桌面上,今施一水平力要拉動此物 體,則至少需40牛頓的力量,但若物體開始運動後,僅需20牛頓的力量即可讓物體 維持等速。若重力加速度g=10公尺/秒2,請問: E. 物體與桌面之間的靜摩擦係數為何? (A) 1 (B) 0.8 (C) 0.7 (D) 0.6 (E) 0.5。 ML f N
高一物理
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