A 1 kg stone at the end of 1 m long string is whirled in a vertical circle at constant speed of 4 m/sec. The tension in the string is 6 N, when the stone is at (g = 10 m/sec 2 ) (a) Top of the circle (b) Bottom of the circle (c) Half way down (d) None of the above
Added by Anuj C.
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\(F_{\text{gravity}} = 1 \, \text{kg} \times 10 \, \text{m/s}^2 = 10 \, \text{N}\) ** Show more…
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A 2 kg stone at the end of a string 1 m long is whirled in a vertical circle at a constant speed. The speed of the stone is 4 m/sec. The tension in the string will be 52 N, when the stone is (a) At the top of the circle (b) At the bottom of the circle (c) Halfway down (d) None of the above
Krishna J.
A $2 \mathrm{~kg}$ stone at the end of a string $1 \mathrm{~m}$ long is whirled in a vertical circle at a constant speed. The speed of the stone is $4 \mathrm{~m} / \mathrm{s}$. The tension in the string will be $52 \mathrm{~N}$, when the stone is (A) at the top of the circle (B) at the bottom of the circle (C) halfway down (D) none of the above
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