Multiple choice general knowledge science & technology

What is the direction of frictionalforce while walking.

  1. Forward in direction

  2. Backward in direction

  3. No friction

  4. Dont know
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A Correct answer
Explanation

When walking, the frictional force acts in the forward direction on the foot that is in contact with the ground. Your back foot pushes backward against the ground, and by Newton's third law, friction pushes forward on that foot, propelling you forward. Without this forward friction, walking would be impossible as your foot would just slip backward.

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