While teaching the topic 'Friction' to Class-V students, a teacher gave a number of examples to explain that friction is also useful to us in many ways. Which one of the following examples was quoted by her incorrectly?

While teaching the topic 'Friction' to Class-V students, a teacher gave a number of examples to explain that friction is also useful to us in many ways. Which one of the following examples was quoted by her incorrectly? Options: (a) A vehicle stops on application of brakes (b) We are able to write due to friction between the tip of the pen and the paper (c) We are able to walk because of friction between our shoes and the ground (d) An object thrown vertically upwards always comes back to us due to friction ✅ Correct Option: (d) An object thrown vertically upwards always comes back to us due to friction Explanation: Option (d) is incorrect because an object thrown vertically upwards returns due to gravity, not friction. Friction is the resistance encountered when two surfaces move against each other; it is useful for walking, writing, and braking, as mentioned in options (a), (b), and (c). Incorrectly attributing motion caused by gravity to friction is a conceptual mistake. Effective teaching requires accurate examples that correctly illustrate scientific principles. Misconceptions can hinder students’ understanding of forces and motion. Teachers should use clear, relatable examples to explain friction, such as sliding objects, tires on roads, and pen-paper interaction, and emphasize that friction resists motion rather than causes free-fall or vertical motion. 10 PPSC-Related Facts: 1. Friction resists motion between surfaces. 2. Gravity is responsible for objects falling or returning vertically. 3. Braking in vehicles relies on friction. 4. Writing depends on pen-paper friction. 5. Walking is possible due to friction between shoes and ground. 6. Friction produces heat. 7. Friction is a contact force. 8. Misconceptions about friction are common in children. 9. Accurate examples aid conceptual clarity. 10. Teaching forces requires linking theory to real-life examples.