A body of mass 0.4 𝑘𝑔 is whirled in a vertical circle making 2 𝑟𝑒𝑣/𝑠𝑒𝑐. If the radius of the circle is 2 𝑚, then tension in the string when the body is at the top of the circle, is

Question: A body of mass 0.4 𝑘𝑔 is whirled in a vertical circle making 2 𝑟𝑒𝑣/𝑠𝑒𝑐. If the radius of the circle is 2 𝑚, then tension in the string when the body is at the top of the circle, is

(A) 41.56 N

(B) 89.86 𝑁

(C) 109.86 𝑁

(D) 115.86 N

Answer: option (D)

Solution:

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