Question

Newspaper kept on a table fly when the fan is put on.why?

Answer 1

Newspaper kept on the table fly when fan is put on because of air.  

Explanation:

• Newspaper is a very light weight object. Sheets of papers are folded together into a newspaper.  

• This entire bundle weighs only a few grams. When fan is switched on, the blades move in a circular manner to produce air.  

• When the speed of the fan is high, the amount of air produced is even higher. The air molecules hit the surface of the newspaper and push it from the surface. Therefore, the newspaper starts to fly.

Answer 2

The newspaper is very light and it flies because the weight of each paper is very less.  

Explanation:

• The lesser the density the easy to move the product. The fan blades makes the lower denser paper to move or fly very fast.
• When the air or centrifugal force of air reaches the newspaper, the newspaper flies in the region surrounding with strong force.
• The force at which the air passes, it makes the movement of paper.

• Force = mass*acceleration, due to gravity Mass of the paper is very less,

To know more

Find the acceleration produced by a force 200N acting on a car of mass 800kg

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The electrostatic force between two point charges kept at a distance d apart, in a medium εr = 6, is 0.3 N. The force between them at the same separation in vacuum is

(a) 20 N

(b) 0.5 N

(c) 1.8 N

(d) 2 N

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