Multiple choice question II — task. Science CBSE, Class 9.

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1. Which of the following is the SI units of force?

$\frac{kgm}{s^2}$
$\frac{kgm}{s^{-2}}$
$Newton - metre$
$Newton$

2. Which of the following is true for the third law of motion?

Action-Reaction pair always acts on the same body.
They act on different bodies in opposite directions
Action-Reaction pairs have the same magnitudes and directions
Act on either body at normal to each other

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