Assertion : Inertia is the property by virtue of which the body is unable to change by itself the state of rest only.
Reason : The bodies do not change their state unless acted upon by an unbalanced external force.

Options

A. Both Assertion and Reason are true and the Reason is the correct
B. Both Assertion and Reason are true but Reason is not the correct explanation of the Assertion.
C. If Assertion is correct but Reason is incorrect.
D. If Assertion is incorrect but Reason is correct.

Answer

D