Question : A small sphere is hung by a string fixed to a wall. The sphere is pushed away from the wall by a stick. The force acting on the sphere are shown in figure. Which of the following statements is wrong?
(A) 𝑃 = 𝑊𝑡𝑎𝑛θ
(B) T⃗ + P⃗ + W⃗⃗⃗ = 0
(C) T^{2}=p^{2}+W^{2}
(D) 𝑇 = 𝑃 + W
Answer : option (D)
Solution :
