You are asked to construct a mobile with four equal m = 141 kg masses, and three light rods of negligible mass and equal lengths
. The rods are of length 55 cm. (a) At what location on the level 1 rod should the free end of rod 2 be attached?
1 answer:
Answer:
The free end must be attached at a distance of 27.5 cm
Solution:
Mass, m = 141 kg
Length of the rods, L= 55 cm
Now,
As clear from fig. 1:
The free end of the rod 2 must be attached at:
F = 2 W
2L = 55
L = 27.5 cm
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Answer:
= 40 cm
Explanation:
given data
string length = 30 cm
solution
we take here equation of length that is
L = 
...............1
so
total length will be here
so will be
= 40 cm
