A box of mass \(5 ~\text{kg}\) is pulled by a cord, up along a frictionless plane inclined at \(30^\circ\) with the horizontal. The tension in the cord is \(30~\text N.\) The acceleration of the box is:
(Take g = \(10~\text{ms}^{-2}\)):
1. \(2~\text{ms}^{-2}\)
2. zero
3. \(0.1~\text{ms}^{-2}\)
4. \(1~\text{ms}^{-2}\)
Subtopic: Tension & Normal Reaction |
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