A particle is in linear simple harmonic motion between two points \(A\) and \(B,\) \(10~\text{cm}\) apart (figure.) Take the direction from \(A\) to \(B\) as the positive direction.
| (a) | The sign of velocity, acceleration and force on the particle, when it is \(3~\text{cm}\) away from \(A\) going towards \(B,\) are positive. |
| (b) | The sign of velocity of the particle at \(C\) going towards \(B\) is negative. |
| (c) | The sign of velocity, acceleration and force on the particle, when it is \(4~\text{cm}\) away from \(B\) going towards \(A,\) are negative. |
| (d) | The sign of acceleration and force on the particle when it is at point \(B\) is negative. |
The correct statement/s is/are:
1. (a), (b), (d)
2. (a), (c), (d)
3. (b), (c), (d)
4. (c), (d)
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