what happens if there is no friction on the earth
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Walking without friction is worse than walking on ice. You'll slip and fall every other second. Figure 1 shows a person standing. You can stand peacefully, uninterrupted, even if there's zero friction.
However once you try to walk or run, some friction is essential as you can see inFigure 2. This frictional force acts in the opposite direction to the horizontal component of the force of your foot on the ground. That means when your foot is ‘pushing forward’ at the start of a stride (Figure 2a) the frictional force acts backwards to prevent you slipping while when you are ‘pushing backwards’ at the end of the stride it acts forwards. All in all, walking without friction is close to impossible.
We can't Write!
When writing with a pencil(or even a pen, for that matter), friction is a must. Without friction, the pen slips out of you hand, and the pencil led wouldn't make a mark on paper. A pencil eraser uses friction to rub off mistakes written in pencil lead. Rubbing the eraser on the lead wears out the eraser due to friction, while the particles worn off gather up the pencil lead from the paper.
However once you try to walk or run, some friction is essential as you can see inFigure 2. This frictional force acts in the opposite direction to the horizontal component of the force of your foot on the ground. That means when your foot is ‘pushing forward’ at the start of a stride (Figure 2a) the frictional force acts backwards to prevent you slipping while when you are ‘pushing backwards’ at the end of the stride it acts forwards. All in all, walking without friction is close to impossible.
We can't Write!
When writing with a pencil(or even a pen, for that matter), friction is a must. Without friction, the pen slips out of you hand, and the pencil led wouldn't make a mark on paper. A pencil eraser uses friction to rub off mistakes written in pencil lead. Rubbing the eraser on the lead wears out the eraser due to friction, while the particles worn off gather up the pencil lead from the paper.
mahalakshmiRATHOD:
hey thank u very much
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Hi
The answer is :
IF THERE IS NO FRICTION ON EARTH WE COULD NOT WRITE, WALK OR WE COULD ALMOST DO NOTHING IF THERE IS NO FRICTION .
WALKING ON GROUND WITHOUT FRICTION IS WORST THAN WALKING ON ICE.
VEHICLES IN MOTION WOULD SKID.
ALL KNOTS WOULD OPEN.
PEOPLE STANDING ON SLOPE WOULD LOOSE THEIR BALANCE AND COULD EVEN DIE!
SO, A WORLD WITHOUT FRICTION WOULD BE WORST THAN THE WORLD WITH FRICTION.
hope it helps!!
The answer is :
IF THERE IS NO FRICTION ON EARTH WE COULD NOT WRITE, WALK OR WE COULD ALMOST DO NOTHING IF THERE IS NO FRICTION .
WALKING ON GROUND WITHOUT FRICTION IS WORST THAN WALKING ON ICE.
VEHICLES IN MOTION WOULD SKID.
ALL KNOTS WOULD OPEN.
PEOPLE STANDING ON SLOPE WOULD LOOSE THEIR BALANCE AND COULD EVEN DIE!
SO, A WORLD WITHOUT FRICTION WOULD BE WORST THAN THE WORLD WITH FRICTION.
hope it helps!!
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