2. À square is acted upon by the forces of 4, 6, 8, and 12N respectively along the four sides as shown. If the length of the side of the square is 0.5m, what is the resultant torque acting to rotate the square about an axis through A? 6N 4N A 12N 8N

2. À square is acted upon by the forces of 4, 6, 8, and 12N respectively along the four sides as shown. If the length of the side of the square is 0.5m, what is the resultant torque acting to rotate the square about an axis through A? 6N 4N A 12N 8N

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.2.18P: Repeat the previous problem using sx= 12 MPa.

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to the wall 3m above the foot of the boom. If the load lifted is 45000N,/ find the tension in the
wire and the compression force in the boom Neglect the weight of the boom.
2. A square is acted upon by the forces of 4, 6, 8, and 12N respectively along the four sides as
shown. If the length of the side of the square is 0.5m, what is the resultant torque acting to rotate
the
square
about
an axis through A?
4N
A
12N
8N
3. Two people carry a heavy electric motor by placing it on a light board 2.00 m in length. One
person lifts at one end with a force of 700N, and the other lifts the opposite end with a
force of 500N. What is the weight of the motor, and where along the board is its center of
10

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