Q. A body of mass 5 kg, initially at rest, explodes and breaks into three fragments of masses in the ratio 1: 1 : 3. The two fragments of equal masses fly off perpendicular to each other, each with a...
Many of my students make a widespread mistake of taking friction value as f= μ N. Where μ = coefficient of friction and N =Normal Reaction. So is it incorrect? The answer is not exactly. With that,...