4. A 0.5 Kg mass squirrel is in the middle of clothesline is 10 m long a 0.1 cm diameter clothesline The and is straight, without the squirrel . If the line deflects 6 cm when the squirrel is in the middle, what is the Youngs modulus of the line? N/m^2

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!