Question

09. A body weighing 0.4 kg is whirled in a vertical circle making 2 revs. / sec. If the radius of the circle is 1.2 Mtr. Find the tension in the string when the body is i, at the bottom of the circle, ii, at the top of the circle,​

Answer 1

Answer:

then tension in the string when the body is at the top of circle a body of mass 0.4 kg is whirled in a vertical circle is 1,2 m then tension in the string when the body.

Explanation:

Tension at the top of the circle,

T=mω2r−mg

T=0.4×4π2n2×2−0.4×9.8=115.86N