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