WEDGES AND FRICTIONAL FORCES ON FLAT BELTS
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WEDGES AND FRICTIONAL FORCES ON FLAT BELTS

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READING QUIZ. . . 1. A wedge allows a ______ force P to lift a _________ weight W. A) (large, large)B) (small, small) C) (small, large)D) (large, small) . 2. Considering friction forces and the indicated motion of the belt, how are belt tensions T1 and T2 related?A) T1 > T2
WEDGES AND FRICTIONAL FORCES ON FLAT BELTS

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2. Answers: 1. C 2. C All quizzes (Reading, Attention, Concept): The questions are numbered.One space is left between the numeral and question text. Do not use automatic bullets as this is not compatible with ?97 version of PowerPoint Answer choices are listed by upper case alphabets A, B, C, D, enclosed by right parenthesis. Single space is Left between the Alphabet and the Answer choice. The choices have hanging indentation aligned with the starting of the question text. For multiple fill up the blanks,answers are enclosed in parenthesis. (see #1 above) Figures/Pictures are positioned on the right side of the slide.Answers: 1. C 2. C All quizzes (Reading, Attention, Concept): The questions are numbered.One space is left between the numeral and question text. Do not use automatic bullets as this is not compatible with ?97 version of PowerPoint Answer choices are listed by upper case alphabets A, B, C, D, enclosed by right parenthesis. Single space is Left between the Alphabet and the Answer choice. The choices have hanging indentation aligned with the starting of the question text. For multiple fill up the blanks,answers are enclosed in parenthesis. (see #1 above) Figures/Pictures are positioned on the right side of the slide.

6. As noted earlier, important text is given a blue color and underlined.As noted earlier, important text is given a blue color and underlined.

12. Known forces are indicated by blue color arrow, Unknown forces indicated by yellow color. The thickness of arrow lines are 2 1/4 pt. Bolden the Decimal Point Symbols used in the equations are from the Symbols library. do not use sentence case on ?cos? and ?sin?, they are to be in lower case.Known forces are indicated by blue color arrow, Unknown forces indicated by yellow color. The thickness of arrow lines are 2 1/4 pt. Bolden the Decimal Point Symbols used in the equations are from the Symbols library. do not use sentence case on ?cos? and ?sin?, they are to be in lower case.

13. Known forces are indicated by blue color arrow, Unknown forces indicated by yellow color. The thickness of arrow lines are 2 1/4 pt. Bolden the Decimal Point Symbols used in the equations are from the Symbols library. do not use sentence case on ?cos? and ?sin?, they are to be in lower case.Known forces are indicated by blue color arrow, Unknown forces indicated by yellow color. The thickness of arrow lines are 2 1/4 pt. Bolden the Decimal Point Symbols used in the equations are from the Symbols library. do not use sentence case on ?cos? and ?sin?, they are to be in lower case.

14. Answers: 1. C 2. C The maximum force she can apply before she slides is 150 (0.6) = 90 lb. This will not be enough to lift the boy up as she needs to apply more than 100 lb to lift the boy up. Without knowing the coefficient of friction between the cliff and the rope, we can not say whether the boy will slide down or not. Answers: 1. C 2. C The maximum force she can apply before she slides is 150 (0.6) = 90 lb. This will not be enough to lift the boy up as she needs to apply more than 100 lb to lift the boy up. Without knowing the coefficient of friction between the cliff and the rope, we can not say whether the boy will slide down or not.

19. Answers: 1.A 2.B Answers: 1.A 2.B


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