Recent content by Erica799

  1. E

    Equal and Opposite variable forces on a mass - does it accelerate?

    [b]1. A mass is attached to a spring that is mounted on the end of an air track. The mass is pushed by your hand along the track, providing a force, F hand. The spring provides a force on the mass, F spring, equal to F hand but opposite in direction. Assume (frictionless?) air track is being...