NCERT · Class 9 · Science · MotionSI unit of acceleration is:
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Total Attempts: 6
Accuracy Rate: 66.7%
Step-by-Step Solution
Acceleration is defined as the rate of change of velocity with respect to time. The SI unit of velocity is metre per second (m/s) and the SI unit of time is second (s). Therefore, the SI unit of acceleration is metre per second squared, written as m/s².
Detailed Options Breakdown
Option : m/s
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Motion.
Option 1: m/s² (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: m
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Motion.
Option 3: m/s³
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.