The weights of two children sitting at ends A and B of a seesaw are 85 Ib and 55 Ib, respectively. Where should a third child sit so that the resultant of the weights of the three children will pass through Cif she weighs 40 lb. 6 ft

The weights of two children sitting at ends A and B of a seesaw are 85 Ib and 55 Ib, respectively. Where should a third child sit so that the resultant of the weights of the three children will pass through Cif she weighs 40 lb. 6 ft

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter1: Introduction To Statics

Section: Chapter Questions

Problem 1.15P: Two 12-kg spheres are placed 400 mm apart. Express the gravitational attraction acting between the...

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Question

The weights of two children sitting at ends A and B of a seesaw are 85 lb and 55 lb, respectively. Where should a third child sit so that the resultant of the weights of the three children will pass through C if she weighs 40 lb.
6 ft
B
6 ft
O 3.50 ft to the right of C
O 4.00 ft to the right of C
O 4.50 ft to the right of C
O 5.00 ft to the right of C

Expert Solution

Step 1

Given

Weight, W_A = 85 lb

W_B = 55 lb

W_C = 40 lb

Find

Distance, d

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