Question : A body of mass 𝑚 is resting on a wedge of angle θ as shown in figure. The wedge is given at acceleration 𝛼. What is the value of a son that the mass 𝑚 just falls freely?
(A) ) g
(B) g sin θ
(C) g tan θ
(D) g cot θ
Answer : option (D)
Solution :
