### 6 Work (Sec 6.4)

## 6.1 Explicit Force Formula

Sec 6.4: Q11, Q29

### 6.2 Variable Mass

Sec 6.4: Q17, 24

### 6.3 From 1st Principle using Riemann Sum

Sec 6.4: Q30, Problem Plus, Chapter 6: Q11

## 7 Integration by Parts (Sec 7.1)

### 7.1 Evaluate integrals

Sec 7.1: Q7, 30

### 7.2 Abstract Applications

Sec 7.1: 69, 71, Problem Plus, Chapter 7: Q9 (Actually, reduction formula is not required in this course)

## 8 Trigonometric Integrals (Sec. 7.2)

### 8.1 Evaluate integrals

Sec 7.2: 19, 32, 34, 47

### 8.2 Mixed with previous topics

Sec 7.2: Q55 (Average of a function, not required), 57 (area), 63 (volume), 65 (displacement)

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