How does air resistance and gravity affect a falling object?


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2013-08-24 04:48:12
2013-08-24 04:48:12

Air Resistance slows the fall of an object, and Gravity speeds it up.

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Air resistance and gravity are the main components.

If there is no air resistance, gravity will accelerate the falling object, that is, it will change its velocity.

The forces that affect the rate of a falling object are Gravity and Air Resistance. Gravity affects the speed and the velocity of the object by speeding it up as it falls closer to the earth, and Air resistance works against the object pushing against it.

As a falling object accelerates through air, its speed increases and air resistance increases. While gravity pulls the object down, we find that air resistance is trying to limit the object's speed. Air resistance reduces the acceleration of a falling object. It would accelerate faster if it was falling in a vacuum.

It counteracts the force of gravity and slows the decent of the object at a rate proportional to the object's velocity.

Nearly all falling object are affected by the resistance of air. However some objects have a mass greater than the air can affect. There is also the case where air resistance equals that of gravity and the object will not fall any faster.

Gravity accelerates falling objects at a constant rate (on Earth, it's 9.8 m/s/s). However, in the presence of air, the air pushes against the falling object, and the faster it's falling then the more air is pushing against it. The point at which the air resistance equals the pull of gravity is called "terminal velocity." It varies by object depending on buoyancy.

The forces acting on a falling body are gravity and air resistance.

Factors that increase speed of a falling object:HEIGHT - The longer an object is in the air the more speed it gains due to gravityGRAVITY - The strength of the acelleration due to gravity (eg the moon is different to earth)STARTING VELOCITY - The speed the object starts at.Factors that decrease the speed of a falling object:AIR RESISTANCE - Air resistance is a major factor however it in itself is dependant on the air pressure around the object and the surface area of the object.

Air resistance creates friction and slows a falling object.

The shape of the object and the density of the gas that the object is falling through.

Gravity and air resistance (drag) are the two opposing forces acting on the falling body. Gravity causes the object to accelerate (fall faster) while the air resistance causes the object to decelerate (fall slower). At a certain velocity called the terminal velocity these two forces are in balance and there is no change in falling speed.

Gravity and drag (air resistance), if any.Where there is resistance, the mass and leading surface area of the object will define its maximum falling speed, which is called terminal velocity. At that speed, the drag force (air resistance) is equal to the accelerating force of gravity.

Critical velocity is the speed that a falling object reaches when gravity and air resistance equalize on the object.

the same that it would affect any falling object. The higher the air resistance the thicker the air density. This will result in a higher drag coefficient and will slow the fall of the object.

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