If there is a net force on a particle in uniform circular motion, why doesn’t the particle’s speed change?

Solution 19DQ In circular motion the velocity is always along the tangent of the path and the force always act along the radius of the path. As we know that the radius and the tangent of a circle at any given point is perpendicular to each other. Hence we can say that the force always act perpendicular to the direction of the motion. Since there is no component of...