摩擦力跟等速度運動 - 運動
By Wallis
at 2007-09-29T00:00
at 2007-09-29T00:00
Table of Contents
問題:以1公斤重的水平拉力可使質量0.5公斤的木塊在一水平粗糙面上做1公尺/秒的等速度運動則木塊與地面間的摩擦力為多少?答案是1公斤重根據慣性定律----靜者恆靜動者恆做等速度運動(再物體所受合力=0或不受外力作用)可是外力不是一定要大於最大靜摩擦力才會動嘛?就算它是做等速度運動..可是原本��
Tags:
運動
All Comments
By George
at 2007-09-29T01:55
at 2007-09-29T01:55
By Hedy
at 2007-09-30T14:57
at 2007-09-30T14:57
By Gary
at 2007-09-29T05:13
at 2007-09-29T05:13
Related Posts
永信盃鐵砧山永信運動公園路線圖
By Suhail Hany
at 2007-09-29T00:00
at 2007-09-29T00:00
腳掌的骨頭走路會痛
By Barb Cronin
at 2007-09-28T00:00
at 2007-09-28T00:00
送啥生日禮物(男生)??
By Franklin
at 2007-09-28T00:00
at 2007-09-28T00:00
高雄市那裡有健身房
By Valerie
at 2007-09-27T00:00
at 2007-09-27T00:00
背部頸椎下緣酸痛不止
By Edwina
at 2007-09-27T00:00
at 2007-09-27T00:00