A Person Standing on a Leaning Ladder 4 of 19 Review I Constants Auniform ladder with mass ma and length L rests against a smooth wall. (Figure 1)A do-it-yourself enthusiast of mass m stands on the ladder a distance d trom the bottom (measured along the ladder). The ladder makes an angle e with the ground There is no friction behween the wall and the ladder, but there is a trictional force of magnitude f between the floor and the ladder. Ni is the magnitude of the normal force exerted by the wall on the ladder, and N is the magnitude of the normal force exerted by the ground on the ladder. Throughout the problem, consider counterciockwise torques to be positive. None of your answers should involve (e, simplity your trig functions) mitms Previous Answers v Correct • Part B Suppose that the actual coefficent of triction is one and a half times as large as the value of i That is, (3/2) Under these circumstances, what is the magnitude of the force of friction / that the floor applies to the ladder? Express your answer in terms of m, ma, d, L. g, and 8. Remember to pay attention to the relation of force and . > View Available Hint(s) ? Figure 1 of1> dm, cot 0 m, g 2 m, +m, Submit Previoun Anwers x Incorrect; Try Again; 4 attempts remaining Provide Feedback Next> Mcook A
A Person Standing on a Leaning Ladder 4 of 19 Review I Constants Auniform ladder with mass ma and length L rests against a smooth wall. (Figure 1)A do-it-yourself enthusiast of mass m stands on the ladder a distance d trom the bottom (measured along the ladder). The ladder makes an angle e with the ground There is no friction behween the wall and the ladder, but there is a trictional force of magnitude f between the floor and the ladder. Ni is the magnitude of the normal force exerted by the wall on the ladder, and N is the magnitude of the normal force exerted by the ground on the ladder. Throughout the problem, consider counterciockwise torques to be positive. None of your answers should involve (e, simplity your trig functions) mitms Previous Answers v Correct • Part B Suppose that the actual coefficent of triction is one and a half times as large as the value of i That is, (3/2) Under these circumstances, what is the magnitude of the force of friction / that the floor applies to the ladder? Express your answer in terms of m, ma, d, L. g, and 8. Remember to pay attention to the relation of force and . > View Available Hint(s) ? Figure 1 of1> dm, cot 0 m, g 2 m, +m, Submit Previoun Anwers x Incorrect; Try Again; 4 attempts remaining Provide Feedback Next> Mcook A
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Chapter1: Units, Trigonometry. And Vectors
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Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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<Homework 9
A Person Standing on a Leaning Ladder
< 4 of 19>
I Review I Constants
A uniform ladder with mass m2 and length L rests against a
smooth wall. (Figure 1)A do-it-yourself enthusiast of mass m
stands on the ladder a distance d trom the bottom (measured
along the ladder). The ladder makes an angle 0 with the ground.
There is no friction between the wall and the ladder, but there is a
frictional force of magnitude f between the floor and the ladder.
Ni is the magnitude of the normal force exerted by the wall on
the ladder, and N, is the magnitude of the normal force exerted.
by the ground on the ladder. Throughout the problem, consider
counterclockwise torques to be positive. None of your answers
should involve (.e., simplity your trig functions).
Submit
Previous Answers
v Correct
Part B
Suppose that the actual coefficent of friction is one and a half times as large as the value of nin That is, - (3/2)Hmin - Under these circumstances, what
is the magnitude of the force of friction f that the floor applies to the ladder?
Express your answer in terms of mi, ma, d, L. g, and 0. Remember to pay attention to the relation of force and j,
> View Available Hint(s)
Figure
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1 of 1>
dm,
cot 0
m2
f= 3
m, g
т, + m,
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Submit
Previous Answers
X Incorrect; Try Again; 4 attempts remaining
Provide Feedback
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