The figure below depicts a block sliding along a frictionless ramp in vertical plane. Eight numb...

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The figure below depicts a block sliding along a frictionless ramp in vertical plane. Eight numbered arrows in the diagram represent directions to be referred to when answering the questions.
Position-I: Starts sliding on curve path
Position-II: Lowest position of curve part
Position-III: Just outside of the curve part
The direction of the acceleration of the block when in position II is best represented by which of the arrows in the diagram?
(1) 5
(2) 8
(3) 1
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