Newton's third law of motion — task. Physics CBSE Live product, Class 9 (2026-27).

Analyse the Assertion and Reason statements and select the correct option:

1. Assertion: A rocket moves upward during launch.

Reason: The rocket pushes hot gases downward.

Both Assertion and Reason are true, and the Reason correctly explains the Assertion.
Both Assertion and Reason are true, but the Reason does not correctly explain the Assertion.
Assertion is true, but the Reason is false.
Assertion is false, but the Reason is true.

2. Assertion : A heavy truck is harder to stop than a bicycle.

Reason: A truck has greater inertia due to larger mass.

Both Assertion and Reason are true, and the Reason correctly explains the Assertion.
Both Assertion and Reason are true, but the Reason does not correctly explain the Assertion.
Assertion is true, but the Reason is false.
Assertion is false, but the Reason is true.

Did you find an error?

4. Newton's third law of motion