Two objects, with masses m1 and m2, are originally a distance r apart, and the magnitude of the gravitational force on each one is F. The objects are moved a distance 2r apart. The net gravitational force: increases 4 times increases 2 times decreases 4 times remains unchanged decreases 2 times

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Distance and Speed

The speed, distance and time relation forms the basis of study of motion. You will need these concepts in the study of Mechanics. This concept is applicable for students who are studying the following courses –