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WITCHER [35]
2 years ago
11

What are the conditions under which the resultant of three coplanar forces is zero?​

Physics
1 answer:
serg [7]2 years ago
4 0
When three or more coplanar forces are acting at a point and the vector diagram closes, there is no resultant. The forces acting at the point are in equilibrium.
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To solve this problem it is necessary to apply the concepts related to the magnetic field.

According to the information, the magnetic field INSIDE the plates is,

B=\frac{1}{2} \mu \epsilon_0 r

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\mu =Permeability constant

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Then,

\frac{r}{R} = \frac{B_{max}{B}}

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