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# What Is Newton's Law of Air Resistance?

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The concept of air resistance is related to Newton's second law of motion, which describes acceleration and force. Air resistance is a significant factor in how fast an object falls, according to this law.

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The example of the "elephant and the feather" is often used in classrooms to demonstrate how Newton's law applies to air resistance. If dropped in a vacuum, the elephant and the feather fall at the same rate. Objects falling in Earth's environment, however, are acted upon by gravity and air resistance, which causes the elephant and feather to fall at very different rates. In the absence of only air resistance, they would hit the ground at the same time.

## Related Questions

• A:

Newton’s second law states that the force acting on an object is directly related to the acceleration. The law is formulated as F = m x a, where F = force, a = acceleration and m = mass of the object in motion. In terms of Atwood’s machine, a force equal to the difference in the suspended weights accelerates the total mass, m1+ m2.

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The equation for acceleration is a = (vf - vi) / t. It is calculated by first subtracting the initial velocity of an object by the final velocity and dividing the answer by time.

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Gravitational potential energy depends on the mass of the object, acceleration because of gravity and the height of the object from a zero position, which is typically the ground or surface where the object is resting. This is because potential energy is the amount of energy stored in an object due to its position and represents the potential for a force, such as gravity, to do work on the object.