An 88 kg person stands on a uniform ladder 4.0 m long, that weighs 100 N, as shown in the figure (Figure 1). The floor is rough; hence, it exerts both a normal force, f1, and a frictional force, f2, on the ladder. The wall, on the other hand, is frictionless; it exerts only a normal force, f3. Figure f₁ mg a-3.8m 1 of 1 Part A Using the dimensions given in the figure, find the forces exerted on the ladder when the person is halfway up the ladder. Express your answers using two significant figures separated by commas. 15. ΑΣΦ f1, f2, f3= 962.4,157.17, 157.17 Submit Previous Answers Request Answer X Incorrect; Try Again; 9 attempts remaining Part B f1, f2, f3 = ? Find the forces exerted on the ladder when the person is three-fourths of the way up th ladder. Express your answers using two significant figures separated by commas. [ΕΙ ΑΣΦ kN ? kN

An 88 kg person stands on a uniform ladder 4.0 m long, that weighs 100 N, as shown in the figure (Figure 1). The floor is rough; hence, it exerts both a normal force, f1, and a frictional force, f2, on the ladder. The wall, on the other hand, is frictionless; it exerts only a normal force, f3. Figure f₁ mg a-3.8m 1 of 1 Part A Using the dimensions given in the figure, find the forces exerted on the ladder when the person is halfway up the ladder. Express your answers using two significant figures separated by commas. 15. ΑΣΦ f1, f2, f3= 962.4,157.17, 157.17 Submit Previous Answers Request Answer X Incorrect; Try Again; 9 attempts remaining Part B f1, f2, f3 = ? Find the forces exerted on the ladder when the person is three-fourths of the way up th ladder. Express your answers using two significant figures separated by commas. [ΕΙ ΑΣΦ kN ? kN

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

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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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.

Question

An 88 kg person stands on a uniform ladder 4.0 m long,
that weighs 100 N, as shown in the figure(Figure 1). The
floor is rough; hence, it exerts both a normal force, f1,
and a frictional force, f2, on the ladder. The wall, on the
other hand, is frictionless; it exerts only a normal force,
f3.
Figure
f₁
mg
f3
a-3.8 m
1 of 1
Part A
Using the dimensions given in the figure, find the forces exerted on the ladder when the
person is halfway up the ladder.
Express your answers using two significant figures separated by commas.
fi, f2, f3 962.4,157.17,157.17
Submit
ΓΨΠ ΑΣΦ
Part B
Previous Answers Request Answer
X Incorrect; Try Again; 9 attempts remaining
f1, f2, f3 =
w
Find the forces exerted on the ladder when the person is three-fourths of the way up the
ladder.
Express your answers using two significant figures separated by commas.
VE ΑΣΦ
kN
≈ ?
kN

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