Per NCERT Class 9 Science, Newton's THIRD law of motion can be stated as which of the following?
AForce always equals weight
BFriction is always zero
CWhenever one object exerts a force on a second object, the second object simultaneously exerts an equal and opposite force on the first
DHeavier objects always win in collisions
Answer & Solution
Correct answer: C. Whenever one object exerts a force on a second object, the second object simultaneously exerts an equal and opposite force on the first
Per NCERT §6.6, Newton's Third Law = action–reaction principle. The other options misstate.
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