[일반물리학]할리데이 일반물리학5장풀이
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공대생들이나 물리전공자들 임용을 준비하시는 모든 분들에게 도움이 될거라 확신이 듭니다. pdf파일로 되어있어서 본문요약은 좀 엉망일수 있는데 거짓아니고 확실한 풀이로 되어있습니다. 많은 이용부탁드립니다.
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본문내용
CHAPTER 5 FORCE AND MOTION – I 113
CHAPTER 5
Answers to Checkpoint Questions
1. c, d, and e
2. (a) and (b) 2 N, leftward (acceleration is zero in each situation
3. (a) and (b) 1, 4, 3, 2
4. (a) equal; (b) greater (acceleration is upward, thus net force on body must be
upward)
5. (a) equal; (b) greater; (c) less
6. (a) increase; (b) yes; (c) same; (d) yes
7. (a) F sin ; (b) increase
8. 0
Answers to Questions
1. (a) yes; (b) yes; (c) yes; (d) yes
2. yes: B, C, and D
3. (a) 2 and 4; (b) 2 and 4
4. (a) increases from an initial value of mg; (b) decreases from mg to zero (after which
the block moves up away from the
oor)
5. (a) 50 N, upward; (b) 150 N, upward
6. (a) supports; (b) less; (c) F sin
7. (a) less; (b) greater
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