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수학동아 - 폴리매스
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함께 풀고 싶은 문제
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[창의 퍼즐] [물리]등속 원운동하는 공
알자스 루단 2020.05.14 06:21 조회 629
문제 푼 사람 0명
공유하기
페이스북 트위터 카카오톡 카카오스토리 네이버블로그 네이버밴드

그림에서 X표시한 곳에 질량이 2kg인 공이 질량을 무시할 수 있는 줄 a, b에 묶여 등속으로 회전하는 막대 c에 연결되어 있다. 줄 b의 장력이 50N일 때, 아래쪽 줄의 장력은?(단, 줄 a, b, 막대 c는 모두 2m며, 모든 마찰과 공기 저항, 공의 크기는 무시하며, 공은 등속 원운동한다. 중력 가속도는 10이다.)

(풀이도 함께 써주세요. 그림이 필요하면 파일로 첨부해주세요.)

그림:/resources/contentsMember/2020/05/6c16eeec1fc6cebc863f8522dd98d5d6.PNG

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