Question

action and reaction force enable a person to walk on the surface of the earth explain the statement​

Answer 1

a/q to newtons third law every action has an equal and opposite reaction when we walk our feet applies action force and ground gives reaction force which helps us to move forward

• more examples are
• when a swimmer swims the same concept of newtons third law is applied
• when we sit on a chair
• when a bird flies
• when a aeroplane flies in the sky

Answer 2

Answer

When a men walk on the ground he pushes the ground backward with his feet then the ground exert an equal force on the men feet this enable us to walk on the ground so first action with the ground then reaction which is necessary to walk on the ground.

hope it will help you