Discussions

Anonymous
timer Asked: Jun 15th, 2018
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Please READ the questions correctly and if you cannot do it than do not waste the time. All FOUR

Discussions MUST ANSWER separately PLEASE READ THEM BEFORE YOU accept THE OFFER .

Chapter-2 Discussions Does an object at rest necessarily have no forces acting on it? How about if it moves at a constant velocity? Give two real-world examples of one object at rest and one moving at a constant velocity with both having non-zero forces acting on them. What is special about the SUM of all the forces on each of these objects? Chapter-3 Discussions Railroad cars are loosely coupled so that there is a noticeable time delay from the time the first car is moved until the last cars are moved from rest by the locomotive. Discuss the advantage of this loose coupling and slack between cars from the view of impulse and momentum. Chapter- 4 Discussions Will the gravitational force between you and the sun be greatest during the day or at midnight? In other words, at what time of the day will you weight the least (assuming your mass does not change)? Be sure to explain your answer. Chapter-5 Discussions Suppose you are in a boat floating in a very small pond. A large anchor lies on the floor of your boat. If you throw the anchor overboard will the water level of the pond rise, drop or remain the same? Why? .

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Aljon2017
School: Purdue University

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