A conical pendulum has mass M, string length ℓ, horizontal-circle radius R and speed v. At an instant its position relative to the suspension point has horizontal component $R \hat{i}$ and its velocity is $v \hat{j}$ . Find its angular momentum about the suspension point.

Question

conical pendulum coordinate vectors

TestHub · Accepted Answer

Use L = r × M v . With r = R i ^ − ℓ 2 − R 2 ​ k ^ and v = v j ^ ​ , the result is option C.

Physics - Rotation Question with Solution | TestHub

Options:

Doubts & Discussion