L2 SITUATION.To prevent the ladder from sliding down, a person exerts a horizontal force Fat C.12BWL1AGiven:L1 = 1.5 mL2 = 4.5 mAlpha = 30Find the horizontal force F (N) at C, which the person should exert if the weight of the ladder is500 N. Assume that surface A and Bare frictionless,5002501000577 (continuation)If the weight of the ladder is 500 N, what is the reaction at A (N)? Surface A and B arefrictionless.O 500250O 1000O 577(continuation)Find the maximum weight (N) of the ladder that can be held from sliding if the person exertsforce F = 200 N. Coefficient of friction at A is 0.30 and B is 0.20.%3DO 359O 421O 308366

Given, L1 = 1.5 m L2 = 4.5 m α=40°

SITUATION. To prevent the ladder from sliding down, a person exerts a horizontal force F at C. L2 B W A 中 Given: L1 = 1.5 m L2 = 4.5 m Alpha = 30" Find the horizontal force F (N) at C, which the person should exert if the weight of the ladder is 500 N. Assume that surface A and B are frictionless. 500 250 1000 577

SITUATION. To prevent the ladder from sliding down, a person exerts a horizontal force F at C. L2 B W A 中 Given: L1 = 1.5 m L2 = 4.5 m Alpha = 30" Find the horizontal force F (N) at C, which the person should exert if the weight of the ladder is 500 N. Assume that surface A and B are frictionless. 500 250 1000 577

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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