A uniform ladder of mass m and length , leans at an angle against a wall, see the figure (Figure 1) The coefficients of static friction between ladder-ground and ladder-wall are μg and w, respectively. The ladder will be on the verge of slipping when both the static friction forces due to the ground and due to the wall take on their maximum values. Figure PG mg ww 1 of 1 > Part B "Leaning ladder problems" are often analyzed under the seemingly unrealistic assumption that the wall is frictionless. You wish to investigate the magnitude of error introduced by modeling the wall as frictionless reality it is frictional. Using the relation found in part A, calculate the true value of 6 for a frictional wall, taking p = μw = 0.50. Express your answer to two significant figures and include the appropriate units. Omin Submit Part C Quin Submit Value Determine the approximate value of min for the "frictionless wall model by taking pag=0.50 and w=0. Express your answer to two significant figures and include the appropriate units. ▾ Part D Request Answer Value Units Request Answer Units Finally, determine the percent deviation of the approximate value of min from its true value. Express your answer using two significant figures.
A uniform ladder of mass m and length , leans at an angle against a wall, see the figure (Figure 1) The coefficients of static friction between ladder-ground and ladder-wall are μg and w, respectively. The ladder will be on the verge of slipping when both the static friction forces due to the ground and due to the wall take on their maximum values. Figure PG mg ww 1 of 1 > Part B "Leaning ladder problems" are often analyzed under the seemingly unrealistic assumption that the wall is frictionless. You wish to investigate the magnitude of error introduced by modeling the wall as frictionless reality it is frictional. Using the relation found in part A, calculate the true value of 6 for a frictional wall, taking p = μw = 0.50. Express your answer to two significant figures and include the appropriate units. Omin Submit Part C Quin Submit Value Determine the approximate value of min for the "frictionless wall model by taking pag=0.50 and w=0. Express your answer to two significant figures and include the appropriate units. ▾ Part D Request Answer Value Units Request Answer Units Finally, determine the percent deviation of the approximate value of min from its true value. Express your answer using two significant figures.
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A uniform ladder of mass m and length l, leans at an angle against a wall, see the
figure. (Figure 1) The coefficients of static friction between ladder-ground and ladder-wall
are μc and μw, respectively. The ladder will be on the verge of slipping when both the
static friction forces due to the ground and due to the wall take on their maximum values.
Figure
HG
l
mg
"w
1 of 1
Part B
emin =
Submit
"Leaning ladder problems" are often analyzed under the seemingly unrealistic assumption that the wall is frictionless. You wish to investigate the magnitude of error introduced by modeling the wall as frictionless, if in
reality it is frictional. Using the relation found in part A, calculate the true value of min for a frictional wall, taking uc = μw = 0.50.
Express your answer to two significant figures and include the appropriate units.
Part C
Omin =
Submit
μA
Part D
Value
Request Answer
Determine the approximate value of min for the "frictionless wall" model by taking μ = 0.50 and μw = 0.
Express your answer to two significant figures and include the appropriate units.
_O
Di μA
Value
Request Answer
Units
DA 15h
?
Units
?
Finally, determine the percent deviation of the approximate value of min from its true value.
Express your answer using two significant figures.
22 of 25
>
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