A metal sphere is hung by a string fixed to a wall. The sphere is pushed away from the wall by a stick. The forces acting on the sphere are shown in the second diagram. Which of the following statements is wrong
A metal sphere is hung by a string fixed to a wall. The sphere is pushed away from the wall by a stick. The forces acting on the sphere are shown in the second diagram. Which of the following statements is wrong
- A
$P = W\,\tan \theta $
- B
$\overrightarrow T + \overrightarrow P + \overrightarrow W = 0$
- C
${T^2} = {P^2} + {W^2}$
- D
$T = P + W$
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