Assertion: An athlete accelerates form rest to its maximum speed due to friction between his shoes and track.
Reason: Positive work done by frictional force increases the kinetic energy of atheletes
1) Both assertion and reason are true and the reason is the correct explanation of assertion.
2) Both assertion and reason are true and the reason is the not correct explanation of assertion.
3) Assertion true but reason is false.
4) Both assertion And reason are false.
