Keisha writes that if an object has external forces on it, then the object can be in dynamic equilibrium but not static equilibrium. Which statement best describes Keisha's error?

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque