 PUMPA - THE SMART LEARNING APP

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### Theory

 1 Introduction 2 Introduction to statics and dynamics 3 Inertia 4 Activity to understand inertia 5 Linear momentum 6 Newton's first law and basics of force 7 Resultant force 8 Rotating effect of the force 9 Moment of the force 10 Applications of torque 11 Principle of Moments 12 Introduction to Force 13 Newton's second law of motion 14 Units of force 15 Impulse 16 Newton's third law 17 Principle of conservation of linear momentum 18 Rocket propulsion 19 Newton’s universal law of gravitation 20 Acceleration due to gravity 21 Mass of the Earth and Variation of acceleration due to gravity 22 Mass and Weight 23 Apparent weight 24 Weightlessness

### Textbook Questions

 1 Match the following - Laws of motion and force Difficulty: medium 4 2 Problem to find the resultant force Difficulty: medium 2 3 Problem to find the velocity of the object Difficulty: medium 2 4 Problem to find the force exerted on the object Difficulty: medium 5 5 Long Answer type questions - Universal law of gravitation Difficulty: medium 0 6 Long Answer type questions - Force Difficulty: medium 0 7 Long Answer type questions - law of conservation of linear momentum Difficulty: medium 0

### Practice Questions

 1 Problem to find the moment of the force Difficulty: easy 2 2 Problem on the moment of the force Difficulty: easy 2 3 Problem to find the force Difficulty: easy 2 4 Problem to find the impulse of the force Difficulty: medium 2 5 Problem to find the velocity - Principle of conservation of momentum Difficulty: medium 5 6 Problem to find the acceleration and final velocity - Equation of motions Difficulty: medium 5 7 Problem on velocity (laws of motion) Difficulty: medium 5 8 Problem on velocity - Law of conservation of momentum Difficulty: medium 6 9 Problem on momentum Difficulty: medium 5 10 Problem on force and acceleration (Second law of motion) Difficulty: medium 5 11 Assertion and reasoning Difficulty: medium 2 12 Problem on force Difficulty: medium 3 13 Problem on force - Second law of motion and equations of motion Difficulty: medium 5 14 Exercise on acceleration due to gravity Difficulty: medium 2 15 Problem on acceleration and force Difficulty: hard 5 16 Problem on force (second law of motion) Difficulty: hard 5 17 Problem to find the acceleration by using second law of motion Difficulty: hard 5

### Key Questions for School Exam Preparation

 1 Problem to find the forces Difficulty: medium 5 2 Problem on change in momentum Difficulty: medium 5 3 Problem on Law of conservation of momentum Difficulty: medium 5

### Worksheets

 1 Worksheet I Difficulty: medium 5 2 Worksheet II Difficulty: medium 9 3 Worksheet III Difficulty: medium 5 4 Worksheet IV Difficulty: medium 5 5 Worksheet V Difficulty: medium 7 6 Worksheet VI Difficulty: medium 6 7 Worksheet VII Difficulty: medium 4 8 Worksheet VIII Difficulty: medium 5

### Teacher manual

 1 Methodical recommendation