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A Spy Jumps from an Airplane with His Parachute. the Spy Accelerates Downward for Some Time When the Parachute Opens. the Acceleration is Suddenly Checked and the Spy Slowly Falls to the - Physics

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Short Note

A spy jumps from an airplane with his parachute. The spy accelerates downward for some time when the parachute opens. The acceleration is suddenly checked and the spy slowly falls to the ground. Explain the action of the parachute in checking the acceleration.

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Air applies a velocity-dependent force on the parachute in upward direction when the parachute opens. This force opposes the gravitational force acting on the spy. Hence, the net force in the downward direction decreases and the spy decelerates.

Concept: Newton’s Second Law of Motion
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HC Verma Class 11, Class 12 Concepts of Physics Vol. 1
Chapter 5 Newton's Laws of Motion
Short Answers | Q 13 | Page 77
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