4. A ladder consists of two wood segments of equal length and a crosspiece of negligible
weight as shown. When the ladder is open, both segments make and angle of 60° with
the floor. Each segment is uniform but have different weights. Find the center for
gravity of the open ladder.
10.0 m
10.0 m
C
CG
1.0 m
1.0 m
d
Wy=10N
w-40N
60
60
10.0 m
B
Answers: 3
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4. A ladder consists of two wood segments of equal length and a crosspiece of negligible
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