Coplanar equilibrium help could anyone please check my answer

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The discussion focuses on solving a coplanar equilibrium problem involving the calculation of angles and forces. The key findings include that the tangent of the angle (tan θ) is established as 2/3, and the normal force (NA) is calculated as 2W/sqrt(13). Participants emphasize the importance of equating horizontal components to derive tan θ and subsequently finding sine and cosine values to solve for vertical components. The clarification that θ should not be expressed in terms of W is also noted.

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  • Familiarity with trigonometric functions (sine, cosine, tangent)
  • Basic knowledge of force components in physics
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tan theta = 2/3.

NA = 2W/sqrt(13).

You can directly get tan_theta by equating the horizontal components. Now find cos and sin. Substitute in the eqn for vertical components.

In the Q, they have said to find theta, and Na, Nb interms of W. Does not mean theta in terms of W.
 

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