Consider the following two equations: 1. R =1 M _ i m_i r _i 2. a… - Vidyadip

MCQ

Consider the following two equations:

$\overrightarrow{\text{R}}=\frac{1}{\text{M}}\sum\limits_{\text{i}}\text{m}_\text{i}\overrightarrow{\text{r}}_\text{i}$
$\overrightarrow{\text{a}}_\text{cm}=\frac{\overrightarrow{\text{F}}}{\text{M}}$

In a noninertial frame

A
Both are correct.
B
Both are wrong.
✓
$A$ is correct but $B$ is wrong.
D
$B$ is correct but $A$ is wrong

✓

Answer

Correct option: C.

$A$ is correct but $B$ is wrong.

In a non$-$inertial frame, the position of centre of mass of the particle does not change but an additional pseudo force acts on it.

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