|Class 8 Physics Friction||Introduction|
Have you ever wondered how a rolling ball eventually comes to a halt. Why is that we cannot hold a glass firmly when our hands are oily? Why do our shoes get worn out after some days of use? Why are there wheels attached to luggage trolleys? Why do we tend to slip on a wet floor? These are due to 'Friction'. In this chapter, we will study about Friction and its characteristics.