Per3_exercise - Solutions to Period 3 Exercises E.1 Which...

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Solutions to Period 3 Exercises E.1 Which of the following is TRUE? a) 3 meters/second is not a rate. b) 2 beers a week is not a rate. c) 12 feet at 3 o'clock is not a rate. d) 45 miles per hour is not a rate. e) all of the above are rates 12 feet at 3 o'clock is not a rate because the time elapsed is not indicated. E.1 = c 3-Ex 1
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Which of the following statements about forces is FALSE? a) A net force is required to change the velocity of an object. b) If an object does not move, there must be no forces acting on it. c) When two forces act in the same direction on an object, the net force equals the sum of the forces. d) When two forces act in opposite directions on an object, the net force equals the difference between the forces. e) None of the above statements is FALSE. Forces can act on a stationary object. For example, two forces of equal strength can act in opposite directions and cancel each other. The object does not move. E.2
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This note was uploaded on 06/11/2011 for the course PHYSICS 103 taught by Professor Staff during the Spring '10 term at Ohio State.

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Per3_exercise - Solutions to Period 3 Exercises E.1 Which...

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