تم الحل ✓
categoryفيزياء
schoolبكالوريوس
event_available2026-07-15
السؤال
Transcribed Image Text:
The next three questions pertain to the situation described below.
Seven identical point particles of mass M are arranged in the x-y plane, with one at the origin and the other six
equally spaced into a hexagon as shown. The particles are connected into a rigid assembly by twelve identical
massless rods of length L. The angle between adjacent rods is 60°. The z-axis is out of the page, and the moment
of inertia for rotations around the Z-axis is I₂ = 6ML².
9. (8 points)
What is the moment of inertia of the object for rotations around the y-axis?
a. I₁ = 6ML²
V
b. I, = 3ML²
c. Ly = 7ML²
d. I₁ = 8ML²
e. Ly
= 4ML²
10. (8 points)
What is the moment of inertia of the object for rotations around the x-axis?
a. Ix = 4ML²
b. Ix = 8ML²
c. 1x = 7ML²
d. Ix = 6ML²
e. Ix = 3ML²
60°
L
11. (4 points)
What is the moment of inertia for rotations around an axis parallel to the Z-axis but passing through one of the
outer six particles?
a. 13ML²
b. 12ML2
c. 14ML²
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