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# lecture_15 - Spring 2014 PHYS 2010 Lecture 15 PHYS 2010 1...

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Spring’2014’ PHYS-2010’ Lecture’15’ 2/17/2014’ PHYS-2010’ 1’

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Read’ Giancoli’Chapter’4’(sec>ons’4.1-4.6). CAPA’#’5’ is’due’tomorrow,’Tuesday’at’11’pm. Wri:en’homework’#’4’ due’Friday’at’4’pm. This’week:’ Lab’#’3’“ProjecEle’MoEon”’ with’a’ prelab .’ Pre-midterm ’Study’Session’ by’Prof’Pollock tomorrow’ (Tue,’Feb.’18)’in’G125’(one’ﬂoor’up!),’5-6’pm.’ Announcements’ 2/17/2014’ 2’ PHYS-2010’
FREE-BODY’DIAGRAMS’ 2/17/2014’ PHYS-2010’ 3’

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Consider’an’Everyday’Occurrence’ Assume’you’are’in’a’>e’with’your’sumo-wrestler’friend.’ Draw’the’free-body’diagrams’(i.e.’forces)’ac>ng’on’you.’ F’(tension’in’rope)’ F’(pulling’on’the’rope)?’ F’(fric>on’with’ﬂoor)’ 2/17/2014’ PHYS-2010’ 4’
Consider’an’Everyday’Occurrence’ Draw’the’free-body’diagrams’(i.e.’forces)’ac>ng’on’you.’ F’(tension’in’rope)’ F’(fric>on’with’ﬂoor)’ Any’other’forces’ac>ng’on’you?’ F’(gravity)’ F’(Normal)’ 2/17/2014’ PHYS-2010’ 5’

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Clicker’QuesEon’ Room’Frequency’BA’ F’(tension’in’rope)’ F’(fric>on’with’ﬂoor)’ F’(gravity)’
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