- Not done
A 2 kg object experiences a net force of 10 N. What is its acceleration?
BeginnerNewton's Second Law (F=ma) - Not done
An object is placed on a frictionless incline at 30°. With g = 10 m/s², what is its acceleration down the incline?
IntermediateNewton's Second Law (F=ma)Inclined Planes - Not done
A simple bridge is made of five thin rods rigidly connected at four vertices (see figure). The ground is frictionless, so that it can only exert vertical normal forces at B and D. The weight of the bridge is negligible, but a person stands at its middle, exerting a downward force F at vertex C. In static equilibrium, each rod can be experiencing either tension or compression. Which of the following is true?
IntermediateFree-Body DiagramsTension