Question

a)Friction opposes motion. Friction helps us to walk. How can you justify both the given
statement ? Explain.​

Answer 1

Answer:

yes , as we know that friction opposes the relative motion so when we apply opposite friction on a ground surface then according to the third law of Newton the force surface applies same and equal force over the motion and will make you to walk

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Answer 2

1. Any force less than this will be exactly balanced by the force of friction, and the object will not move. Once the object is moving, the frictional force remains constant. This constant force is less than the maximum force needed to start the object moving.
2. If Friction is a force that opposes motion then how friction helps in walking?” As we walk we apply a contact force on the surface below and that surface also exerts an equal and opposite contact force on our foot or shoes. ... This is how friction helps walking, in simple words.