Newton's second law states $\vec{F} = m\vec{a}$, where $\vec{F}$ is the net external force, $m$ is mass, and $\vec{a}$ is acceleration. More generally, $\vec{F} = \frac{d\vec{p}}{dt}$ where $\vec{p}$ is momentum.
Back to NEET UG 2025 Mechanics
NEET UG 2025 — Physics Mechanics
easy
mcq
2025
Official previous-year question
Verified 30 May 2026.
Question
According to Newton's second law of motion, the net force acting on a body of mass $m$ undergoing acceleration $a$ is:
Options
- A
$F = ma$
- B
$F = mv$
- C
$F = \frac{m}{a}$
- D
$F = mv^2$
Solution
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