A net force of 200 N acts on a 100-kg boulder, and a force

Chapter 9, Problem 9

(choose chapter or problem)

A net force of 200 N acts on a 100-kg boulder, and a force of the same magnitude acts on a 100-g pebble.(a)Is the change of the boulders momentum in one second greater than, less than, or equal to the change of the pebbles momentum in the same time period? (b) Choose the best explanation from among the following: I. The large mass of the boulder gives it the greater momentum. II. The force causes a much greater speed in the 100-g pebble, resulting in more momentum. III. Equal force means equal change in momentum for a given time.

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