A particle is going with constant speed along a uniform helical and spiral path separately as shown in figure
A particle is going with constant speed along a uniform helical and spiral path separately as shown in figure
- A
The velocity of the particle is constant in both cases
- B
The magnitude of acceleration of the particle is constant in both cases
- C
The magnitude of accleration is constant in $(a)$ and decreasing in $(b)$
- D
The magnitude of accleration is decreasing continuously in both the cases
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A stone of mass $900 \mathrm{~g}$ is tied to a string and moved in a vertical circle of radius $1 \mathrm{~m}$ making $10\ \mathrm{rpm}$. The tension in the string, when the stone is at the lowest point is (if $\pi^2=9.8$ and $g=9.8 \mathrm{~m} / \mathrm{s}^2$ )
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- [JEE MAIN 2024]
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