In order to make an adjustment, a group of engineering students remove leg D from a laboratory worktable. To ensure that the table remains stable, they place a 4.0-kg stack of statics textbooks centered at point E of the tabletop as shown. Determine the normal reaction force at each leg A, B, and C. The uniform tabletop has a mass of 40.8 kg, and each leg has a mass of 5.3 kg. 0.5 m 1.1 m Answers: NA = NB = Mi Nc= i 4.0 kg B E 0.8 m 2.3 m N N N

In order to make an adjustment, a group of engineering students remove leg D from a laboratory worktable. To ensure that the table remains stable, they place a 4.0-kg stack of statics textbooks centered at point E of the tabletop as shown. Determine the normal reaction force at each leg A, B, and C. The uniform tabletop has a mass of 40.8 kg, and each leg has a mass of 5.3 kg. 0.5 m 1.1 m Answers: NA = NB = Mi Nc= i 4.0 kg B E 0.8 m 2.3 m N N N

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

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter4: Coplanar Equilibrium Analysis

Section: Chapter Questions

Problem 4.26P: The homogeneous bar AB weighs 25 lb. Determine the magnitudes of the forces acting on the bar at A...

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Question

In order to make an adjustment, a group of engineering students remove leg D from a laboratory worktable. To ensure that the table
remains stable, they place a 4.0-kg stack of statics textbooks centered at point E of the tabletop as shown. Determine the normal
reaction force at each leg A, B, and C. The uniform tabletop has a mass of 40.8 kg, and each leg has a mass of 5.3 kg.
1.1 m
A
0.5 m
Answers:
NA =
NB =
Nc=
i
i
i
4.0 kg
B
E
0.8 m
2.3 m
N
N
N

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