Question

what is the role of friction if it is there, in the following situations: we are just standing on the floor without moving and we are walking.

Answer 1

Answer:

They slide over each other more easily, so there is less friction. ... Without friction, you would not be able to walk, the wheels on a vehicle would have no grip on a road surfacing and the vehicle would not be able to move forward.

Answer 2

Answer:

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If frictional force is absent then we may face the following consequences:

• We cannot walk .
• We will not get a grip to hold things, then we cannot eat,write,Hold pen or pencil etc.
• . Moving things cannot be stopped.
• Buildings cannot be constructed.
• We cannot fix a nail to the wall.
• We cannot stand properly without a grip.
• we would keep slipping.
• Nothing will be steady on ground. , things will not be at a proper places because of no grip.
• Brakes in the car / vehicles will be useless.
• Finally all the things, including us will be floating in the air.

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