Lesson
Lesson-4.3.4- the upward forces on a light beam, supported at its ends, vary with the position of a heavy object placed on the beam.
No content available for this lesson.
Lesson-4.3.3- the weight of a body acts through its center of gravity.the principle of moments for a simple system of parallel forces acting in one plane.PreviousLesson-5.1.1- describe energy transfers involving energy stores: ??? energy stores: chemical, kinetic, gravitational, elastic, thermal, magnetic, electrostatic, nuclear.Next