Q1/ The uniform ladder is 2-m long and makes an angle of = 60° with the floor. If the wall at B is smooth and thecoefficient of static friction at A is µA = 0.3, determine if the ladder can remain in the position shown.NBB1 mMass of ladder = 10 kg(2 m)(sin 60°) = 1.732 m1 mWeight = mg= (10 kg)(9.81 m/s²)= 98.1 N60°fa(1 m)(cos 60°) = 0.5 m

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Q1/ The uniform ladder is 2-m long and makes an angle of = 60° with the floor. If the wall at B is smooth and the coefficient of static friction at A is PA = 0.3, determine if the ladder can remain in the position shown. NB B 1 m B (2 m)(sin 60°) = 1.732 m 1 m Mass of ladder = 10 kg Weight = mg = (10 kg)(9.81 m/s) = 98.1 N | 60° fA A |NA (1 m)(cos 60°) = 0.5 m-

Q1/ The uniform ladder is 2-m long and makes an angle of = 60° with the floor. If the wall at B is smooth and the coefficient of static friction at A is PA = 0.3, determine if the ladder can remain in the position shown. NB B 1 m B (2 m)(sin 60°) = 1.732 m 1 m Mass of ladder = 10 kg Weight = mg = (10 kg)(9.81 m/s) = 98.1 N | 60° fA A |NA (1 m)(cos 60°) = 0.5 m-

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Question

Q1/ The uniform ladder is 2-m long and makes an angle of = 60° with the floor. If the wall at B is smooth and the
coefficient of static friction at A is µA = 0.3, determine if the ladder can remain in the position shown.
NB
B
1 m
Mass of ladder = 10 kg
(2 m)(sin 60°) = 1.732 m
1 m
Weight = mg
= (10 kg)(9.81 m/s²)
= 98.1 N
60°
fa
(1 m)(cos 60°) = 0.5 m

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