1. Three forces act on particle A located at the origin of an x-y coordinate system. Force B acts at 140⁰ from the positive x-axis, and force C acts at 15° from the positive x-axis. The weight acts down with a magnitude of W = 100 kN. Use the equations of equilibrium to determine the magnitudes of B and C such that particle A is in equilibrium.

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1. Three forces act on particle A located at the origin of an x-y coordinate system. Force B acts at
140⁰ from the positive x-axis, and force C acts at 15° from the positive x-axis. The weight acts
down with a magnitude of W = 100 kN. Use the equations of equilibrium to determine the
magnitudes of B and C such that particle A is in equilibrium.
For problems 2-5, consider the following scenario.
Equilibrium of a particle: EF=0: EFx=0 and ΣFy=0. Dimensions are: h=2.5 ft, d₁ = 4.75 ft, and d₂ = 3 ft.
Give numeric answers to three significant figures. The load W = 50 lb.
d₁
A
h
a
1 B
C
W
d₂
B
Transcribed Image Text:1. Three forces act on particle A located at the origin of an x-y coordinate system. Force B acts at 140⁰ from the positive x-axis, and force C acts at 15° from the positive x-axis. The weight acts down with a magnitude of W = 100 kN. Use the equations of equilibrium to determine the magnitudes of B and C such that particle A is in equilibrium. For problems 2-5, consider the following scenario. Equilibrium of a particle: EF=0: EFx=0 and ΣFy=0. Dimensions are: h=2.5 ft, d₁ = 4.75 ft, and d₂ = 3 ft. Give numeric answers to three significant figures. The load W = 50 lb. d₁ A h a 1 B C W d₂ B
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