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제목 [Harry Kim] ap physics 1 algebra based FRQ without answer
ap physics 1 algebra based FRQ 3
작성자 dlw*** 등록일 2021-04-26 오후 11:23:41
good afternoon, I am answering free response question lesson 3 . but i have question in number 1 letter b. my answer was that block a will move faster because it is stated that low friction which indicate that it is not completely friction-less. therefore since a has shorter length of the slide which the energy lost by friction will decrease. i do not understand why it completely omits the work done by friction when there is still stated" low friction". also when I write my answer in the actual test that friction will lesson energy, will i get wrong or correct?
2021-04-28 오전 4:43:42

Physics 문제의 표현방식인데, 우리가 풀어야하는 Physics 문제에 관해서는, low friction = neglible friction = frictionless = smooth  다 똑같은 뜻입니다. 

"rough surface" 라고 하거나 구체적으로 friction 이 있다고 명시되지 않은 이상 무조건 friction 은 없다고 생각해야합니다. 
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