Question

tell me plzz

how can we able to walk ourselves bcoz 1st law of Newton says than one can
move from rest only when an external force is applied
but no one applies external force on us ​

Answer 1

Explanation:

while walking we exert some force on the floor and the floor in opposite exerts some friction on us which makes us to walk. so it belongs to newton's third law of motion

Answer 2

Explanation:

follow back please ...........................