NCERT · Class 9 · Science · MotionIf the displacement of an object is proportional to the square of time, then the object moves with:
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Step-by-Step Solution
According to the second equation of motion, s = ut + ½at². If initial velocity u = 0, then s = ½at². Since ½a is a constant, s is proportional to t² (s ∝ t²). This implies that the acceleration (a) is constant and non-zero, meaning the object moves with uniform acceleration.
Detailed Options Breakdown
Option : Uniform velocity
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Motion.
Option 1: Uniform acceleration (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: Increasing acceleration
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Motion.
Option 3: Zero acceleration
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Motion.
💡 Study Guide: This question tests core syllabus concepts from Motion. For formulas, key summaries, and mock exam reference guides, read the full Motion Revision Notes.