These are equal and opposite forces that do not cause a change in position or motion.
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How does the image distance (di) of a convex lens compare with the image distance of a concave lens? a. the image distance of the convex lens is positive, and that of the concave lens is negative. b. both are negative for a virtual image. c. both are positive for a virtual image d. the image distance of the convex lens is negative, and that of the concave lens is positive.

Which atomic model was proposed as a result of j. j. thomson’s work?

In what direction does an applied force move an object