MP Board · Class 9 · Science · MotionWhich formula correctly defines acceleration ($a$) in terms of initial velocity ($u$), final velocity ($v$), and time ($t$)?
Step-by-Step Solution
Acceleration is the rate of change of velocity per unit time, expressed as $a = \frac{v - u}{t}$.
Detailed Options Breakdown
Option : $a = \frac{v + u}{t}$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Motion.
Option 1: $a = \frac{v - u}{t}$ (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 2: $a = \frac{u - v}{t}$
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Motion.
Option 3: $a = \frac{v \cdot u}{t}$
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.