Question

1. A small object of mass $m$, on the end of a light cord, is held horizontally at a distance $r$ from a fixed support as shown. The object is then released. What is the tension in the cord when the object is at the lowest point of its swing? (A) $mg/2$ (B) $mg$ (C) $2mg$ (D) $3mg$ (E) $mgr$

          1. A small object of mass $m$, on the end of a light cord, is held horizontally at a
distance $r$ from a fixed support as shown. The object is then released. What is the
tension in the cord when the object is at the lowest point of its swing?

(A) $mg/2$ (B) $mg$
(C) $2mg$ (D) $3mg$ (E) $mgr$

1. A small object of mass m, on the end of a light cord, is held horizontally at a
distance r from a fixed support as shown. The object is then released. What is the
tension in the cord when the object is at the lowest point of its swing?

(A) mg/2 (B) mg
(C) 2mg (D) 3mg (E) mgr

Added by Tiffany B.

University Physics with Modern Physics

Hugh D. Young 14th Edition

Instant Answer

Solved by Expert Ajay Singhal

09/26/2021

Step 1

Step 1: At the lowest point of its swing, the tension in the cord will be equal to the centripetal force required to keep the object moving in a circular path. Show more…

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l. A small object of mass m,on the end of a light cord.is held horizontally at a distance r from a fixed support as shown. The object is then released.What is the tension in the cord when the object is at the lowest point of its swing? (A)mg/2 (B)mg (C)2mg (D)3mg (E) mgr