Thursday
July 31, 2014

Homework Help: physics

Posted by Anonymous on Friday, December 21, 2012 at 12:45am.

The bars are in equilibrium, each 5 m long,
and each weighing 82 N. The string pulling
down on the two bars is attached 0.6 m from
the fulcrum on the leftmost bar and 0.5 m
from the left end of the rightmost bar. The
spring (of constant 32 N/cm) is attached at
an angle 29

at the left end of the upper bar.
5 m
0.6 m
5 m
0.5 m
32 N/cm
29

6 kg
If the suspended mass is 6 kg, by how much
will the spring stretch? The acceleration of gravity is 9.8 m/s
2
.
Answer in units of cm

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