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Published byHeidi Martina Verstraeten Modified 5년 전
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CHAPTER 11. Rotation 병진 운동과 회전 운동 일과 회전 운동 에너지 회전 변수 각 관련 성분은 벡터인가? 등각가속도 회전 운동 선 변수와 각 변수의 관계 회전 운동 에너지 회전 강체의 계산 토크 회전 운동에 관한 뉴턴의 제 2법칙
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11-1 Translation and Rotation 11-2 Rotational Variables
회전축 (Rotation Axis) 각위치 (Angular Position) (radian measure) s : arc distance, r : radius
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Angular Displacement (각변위) :
Angular Velocity (각속도) 평균 각속도 : 순간 각속도 : Angular Acceleration (각가속도) 평균 각가속도 : 순간 각가속도 :
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11-3 Are Angular Quantities Vectors?
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11-4 Rotation with Constant Angular Acceleration
Table 11-1
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11-5 Relating the Linear and Angular Variables
Position Velocity Period (radian measure) (r = const.)
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(tangential component)
Acceleration (r = const.) (tangential component) (radial component)
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11-6 Kinetic Energy of Rotation
Rotating body : collection of particles with different speeds : i 번째 입자의 질량 : i 번째 입자의 속력 : Moment of Inertia (Rotational Inertia)
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11-7 Calculating the Rotational Inertia
(입자계) (강체) Parallel Axis Theorem (평행축 정리)
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Parallel Axis Theorem (평행축 정리)
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11-8 토크 (Torque)
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11-9 Newton’s Second Law for Rotation
More than one force :
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예 11-7 Find a, α and T.
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Judo hip throw : Find F for (a) and (b).
예 11-8 Judo hip throw : Find F for (a) and (b). (a) (b)
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11-10 Work and Rotational Kinetic Energy
Rotational Work
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Rotational Power (회전일률)
Table 11-3
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Find (a) I in terms of m and R, and (b) ω when inverted.
예 11-10 Find (a) I in terms of m and R, and (b) ω when inverted. (a) (b)
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