on12 - must be corrent Select One of the Following 1(a A...

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Solution for On-Line Homework 12 Force I Solution to On-Line Homework Problem 12.1() Problem: A child holds a ball in her hand. The interaction pair force to the force of her hand on the ball is the force exerted by Select One of the Following: (a) the Earth on the ball. (b) the ball on the Earth. (c) her hand on the ball. (d-Answer) the ball on her hand. (e) the Earth on her hand. Solution Yes. They are in opposite directions. Total Points for Problem: 1 Points Solution to On-Line Homework Problem 12.2(Basic example of the deFnition of equi- librium) Problem: For an object moving to the left at constant speed, which of the following
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Unformatted text preview: must be corrent? Select One of the Following: 1 (a) A larger number of forces are acting to the left than the right. (b) A larger net force is acting to the left than the right. (c) No forces can be acting on the object. (d-Answer) No net force can be acting on the object. (e) There has to be one force acting on the object, to the left. Solution Solution: The net force must be zero, since the momen-tum of an object traveling at constant speed in a single direction is constant. It does not matter how many forces act on the object, but they must sum to zero! Total Points for Problem: 1 Points 2...
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This note was uploaded on 05/04/2008 for the course PHYS 2054 taught by Professor Stewart during the Spring '08 term at Arkansas.

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on12 - must be corrent Select One of the Following 1(a A...

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