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Answered 2011-09-05 14:12:36

at terminal velocity, force due to air resistance = force due to (mass * gravity)

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When an object falls through the air and encounters air resistance its overall speed will be?

Terminal Velocity. This is the velocity at which the accelaration from Earth's gravity and the drag from air resistance reaches equillibrium.

What is terminal velocity and what causes it?

Terminal velocity is an object's maximum speed while falling through the air, and it happens when the force created by air resistance is equal to the force of gravity.

What is the difference between free fall and terminal velocity?

The difference between free fall and terminal velocity i that free fall is when an object is falling or descending through the air with little air resistance or drag. Terminal Velocity, on the other hand is when the resistance of air and the force of gravity balance each other out causing the object to reach a constant velocity. .

How does a parachute reduce the terminal velocity of a person falling through the air?

The parachute increase the surface area and so therefore increase air resistance, slowing the person down, and reducing terminal velocity.

What is termal velocity?

Perhaps you mean terminal velocity. This is the maximum velocity reached by an object falling to the ground when the acceleration due to gravity is matched by the drag resistance of the air through which it is falling.

Explain the term ''terminal velocity''?

When an object falls through the air it accelerates towards the ground. The faster it goes, the more air resistance there is. Eventually the resistance of the air balances the weight of the body. At this point the body ceases to accelerate; it is said to have reached terminal velocity.

The upward force of an ojbect falling through the air is?

Once the object reaches terminal velocity, the air resistance is equal to the gravitational pull.

Is the terminal velocity the same as the ending velocity?

Terminal velocity is the velocity that a falling object approaches asymptotically as it falls through a resisting medium (like air). If an object impacts something before getting close to the terminal velocity it will still have an "ending velocity" but it won't be the same as the terminal velocity. If an object falls far enough, the ending velocity will approach the terminal velocity close enough for them to be essentially the same.

What is terminal velocity?

Terminal velocity is the constant maximum velocity reached by a body falling through the atmosphere under the attraction of gravity. An object is moving at its terminal velocity if its speed is constant due to the restraining force exerted by the air, water, or other fluid through which it is moving.

Why do some objects fall through the air at a diffrent rate then others?

The terminal velocity will depend on the mass (greater mass = more terminal velocity) and on the air resistance, which depends greatly on the surface are (more surface area = less terminal velocity). 2nd Answer: I believe that objects of differing mass fall at the same rate if you exclude air resistance. I remember the penny and the feather in an evacuated cylinder hitting the cylinder bottom at exactly the same time.

What is the constant rate that all objects fall?

Terminal velocity. This varies depending on the object and the resistance it causes against the atmosphere it is falling through and of course gravitational pull.

Would velocity increase as an object free falls?

An object falls in a gravity field the speed increases until the object reaches its terminal velocity. This is the speed at which the difference in density between the object and the air it is passing through, the friction and resistance of air the object is displacing balances the attraction of gravity's potential to increase the downward velocity. Terminal velocity is affected by the thickness of the air the object is passing through, and the air gets thicker as you approach the surface of the earth. This implies that, if an object reaches terminal velocity at a significant height, it could slow as it falls further.

The maximum velocity a falling object can achieve?

This entirely depends on the shape and mass of the object as well as the substance that the object is falling through. If the object is falling through a vacuum, then there will be no maximum velocity (called terminal velocity), except for the speed of light, of course. As an object falls, it experiences resistance from the air, or from whatever it is falling through, that depends on its speed and how aerodynamic it is. Gravity will accelerate it, until it is moving fast enough that the force of air resistance is equal to the force of gravity, and that is its maximum velocity. This is why feathers fall slowly, because they have a high air resistance.

Do a penny has the greatest velocity?

An object falling through the air will have a terminal velocity of approximately 120-140mph. The less "wind resistance" it has the faster it goes. Although the penny has less wind resistance than say, an elephant, it still is not an ideal shape for moving through the air. Being flat, it can flutter, spin, 'float', etc, and that will slow it down.

When an object falls through the air encounters air resistance its overall speed will be than if it had not encountered air resistance?

The resistance do obstruct the object. The object always travel slower with air resistance. Air resistance is higher with velocity and the object falling through air would have a limited velocity that it can't go through.

How fast do objects fall through air?

An object's top speed is called Terminal Velocity.The terminal velocity of an object can be calculated via a formula. See the related links.

True or False terminal velocity is the velocity a speeding object reaches when it crashes?

Technically, its false.... Terminal Velocity is defined as "the constant maximum velocity reached by an object falling through the atmosphere under the attraction of gravity". The crash is simple a result of and the conclusion to the fall....

Define terminal velocity?

I will try and help you with this one.. terminal velocity is when a object falling has reached its fastest falling speed and will stay at this speed reaching a terminal velocity is due to friction in the air although you can't see them air particles offer resistance when passed through them untill the object changes its shape..eg aerodynamics...for example a sky diver will fall at about 80\100 mph...but if they dive down there will be less friction in the air to become faster until they reach 120mph which is the humans body terminal velocity and cannot physically go any faster

When the speed an object reaches the force of gravity is balanced by the force of air resistance called inertia?

No, terminal velocity is the speed at which an object comes to a resting point in acceleration. This happens when the effect of gravity on said object becomes balanced with the air resistance.Dictionary definition: the velocity at which a falling body moves through a medium, as air, when the force of resistance of the medium is equal in magnitude and opposite in direction to the force of gravity.

Can an object have zero acceleration and non-zero velocity at the same time?

Yes. Consider a skydiver in freefall. Fairly quickly the skydiver will reach terminal velocity (the speed at which their acceleration from gravity is cancelled out by the resistance of the air through which they are falling). At terminal velocity the skydiver has non-zero velocity (about 56m/s or 200km/h) but zero acceleration (because their velocity is not increasing). In a vacuum, where there is no air resistance, there is also no terminal velocity. Because there is no force acting against acceleration an object will continue to accelerate provided its source of acceleration continues to be applied. It is worth noting that an object cannot use this rule to exceed the speed of light because as the speed of light is approached the relative time for the object slows. On earth, however, or indeed in any similar environment, an object can certainly have zero acceleration and non-zero velocity.

Why a sheet of paper fall slower than a coin under gravity through air?

A sheet of paper has a larger air resistance than a coin so the paper reaches its terminal velocity earlier than the coin.

What is the gratest velocity a falling object reaches?

-- If it's falling through a liquid or a gas, it reaches some greatest speed, called "terminal velocity" but really more like a terminal speed. -- If it's falling through vacuum, there is no limit ... the object just keeps accelerating.

What is working principle of rheostat in electric circuits?

The basic principle that rheostats use is Ohm's law, which states that current is inversely proportional to resistance for a given voltage. This means the current decreases as the resistance increases or it increases as the resistance decreases. Current enters the rheostat through one of its terminals, flows through the wire coil and contact, and exits through the other terminal. Rheostats do not have polarity and operate the same when the terminals are reversed. Three-terminal potentiometers can be used as rheostats by connecting the unused third terminal to the contact terminal.

How would the terminal velocity of an object falling towards earth differ than the terminal velocity of the same object falling through water?

because water has higher viscosity than air so resisting the movement of the body in it more than air so decreasing the velocity

How does air resistance affect objects moving through the air?

Resistance (newtons) = velocity( in m/s)2 * drag coefficient of the object

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