Practice Questions
| 1. | Exercise on different forms of energy Difficulty: medium | 
                                    
                                    2
                                 | 
| 2. | Problem on kinetic energy Difficulty: medium | 
                                    
                                    4
                                 | 
| 3. | Problem on increase in kinetic energy Difficulty: medium | 
                                    
                                    6
                                 | 
| 4. | Calculation of Total energy of an object Difficulty: hard | 
                                    
                                    15
                                 |