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Physics
Force and Laws of Motion
CBSE
Class 9
Physics
Class 9 - Physics
Force and Laws of Motion
MCQ
Q&A
Test #
9
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1.
Though the forces of action and reaction are equal and opposite,yet the accelerations produced by them may be of different magnitudes.Why ?
a.
The bodies on which they are acting may have different masses
b.
The bodies may be of different sizes
c.
The surfaces of bodies may not be equally smooth
d.
none of these.
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