lecture_17

# There is only one tension in the rope throughout its

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Unformatted text preview: PHYS- 2010 9 Room Frequency BA Clicker Ques,on Fric)onless table & pulley. +x M1 +T 1)  Choose coordinates. - T 2)  Iden)fy forces. M2 Fg = M2 g Mass 1: M1 a = T Mass 2: M2 a = M2 g - T 2/21/2014 +x 3)  Write down F = ma for each object. What is F = ma for mass M2? (A) M 2 a = T (B) M 2 a = T − M 2 g (C) M 2 a = M 2 g − T ( D)M 2 a = M 2 g PHYS- 2010 10 Fric)onless table & pulley. +x M1 +T 1)  Choose coordinates - T 2)  Iden)fy forces. M2 Fg = M2g Mass 1: M1 a = T Mass 2: M2 a = M2 g - T 2/21/2014 +x 3)  Write down F = ma for each object M2 a = M2 g – M1a Subs)tute for T in the lower equa)on PHYS- 2010 Solve for a ⎛ྎ M 2 ⎞ྏ a = ⎜ྎ g ⎝ྎ M1 + M 2 ⎟ྏ ⎠ྏ 11 Pulley Advantage In a system with mul)ple pulleys (for which there are various possible arrangements), we loop a single con)nuous rope. There is only one tension in the rope throughout its length. 2/21/2014 PHYS- 2010 12 Clicker Ques,on Room Frequency BA 4 Ropes with Tension T pulling up...
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