Lecture 6 PowerPoint - Today More on Free-body diagrams and...

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1 Today More on Free-body diagrams and Newton’s second law Apparent weight. Forces in moving reference frames. 1 Tuesday, 25 September, 12
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Clicker Question What should Newton’s second law be for the bungee jumper in the figure below? 2 for an acceleration that is pointing up 2 Tuesday, 25 September, 12
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Clicker Question What should Newton’s second law be for the bungee jumper in the figure below? 3 for an acceleration that is pointing up 3 Tuesday, 25 September, 12
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Notation Matters (Clicker Question) What should Newton’s second law be for the bungee jumper in the figure below? 4 4 Tuesday, 25 September, 12
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Notation Matters (Clicker Question) What should Newton’s second law be for the bungee jumper in the figure below? 5 the direction (i.e. sign) is contained within the vector quantity 5 Tuesday, 25 September, 12
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6 Question After an initial push, a book is sliding on a table to the left. Due to friction, the book is slowing down. Which is the correct free- body diagram showing all forces on the book while the book is sliding?
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