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Q. No.A light spring is compressed and placed horizontally between a vertical fixed wall and a toy car which is free to slide over a smooth horizontal table. If the system is released from rest, which graph best represents acceleration \(a\) and distance \(x\) covered by the car?
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Â Spring Force |
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The system is at rest initially, due to the force of friction acting on \(A\). If the string connecting the lower blocks is cut, the accelerations of the blocks \(A\), \(B\) & \(C\) will be, respectively,
| 1. | \(\dfrac g 3\) to left, \(g\) upward, \(g\) downward. |
| 2. | zero, zero, \(g\) downward. |
| 3. | zero, \(g\) upward, \(g\) downward. |
| 4. | \(g\) to right, zero, \(g\) downward. |
Subtopic: Â Spring Force |
 68%
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