MCQ
According to Newton’s third law –
  • A
    $\overrightarrow{ F _{12}}=\overrightarrow{ F _{21}}$
  • $\overrightarrow{ F _{12}}=-\overrightarrow{ F _{21}}$
  • C
    $F _{12}+ F _{21}=0$
  • D
    $F _{12} x F _{21}=0$

Answer

Correct option: B.
$\overrightarrow{ F _{12}}=-\overrightarrow{ F _{21}}$
$\overrightarrow{ F _{12}}=-\overrightarrow{ F _{21}}$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free