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Dynamics
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∙ 12y ago
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What kind of friction occurs when an objects moves through a liquid or gas?
air resistance
What happens to a cold air when a warm air moves into a region?
the warm air rises up and moves over the cold air that is already there.
How can a tornado pick up something?
Air in a tornado moves upward rapidly, sometimes taking objects with it.
Acts against the direction of motion and gets larger as an object moves faster?
Air resistance
How can move objects without touching them?
air, water etc. can move object. Example: A ping pong ball is on a table. Blow on the ball it moves.
What are the two objects heat moves?
air and water
What kind of friction occurs when an objects moves through a liquid or gas?
air resistance
What is the study of forces of air acting on objects in motion realitive air called?
Viscous drag
What happens to a cold air when a warm air moves into a region?
the warm air rises up and moves over the cold air that is already there.
What forms when warm air moves over cold air?
Clouds
What happens as a tornado moves?
A tornado moves with its parent thunderstorm. As the tornado moves air flows into it and accelerates to great speeds. Objects caught in the path may be damaged or destroyed.
How does a warm form?
Warm air moves over cold air and replaces it.
How can a tornado pick up something?
Air in a tornado moves upward rapidly, sometimes taking objects with it.
Does a fan cool the air?
No.A fan simply moves air around. Moving air can have a cooling effect on people, animals and objects, but the air is still the same temperature.
What cold air from land that moves out to warmer air over oceans?
The Answer is Land Breeze
What force is created when object moves through a fluid like an aircraft Moves through air?
Either drag (air resistance) slows the aircraft down, or lift (Bernoulli's principle) raises it up. When more air goes under the wing than over it, the aircraft "wants" to move up because objects favor movement into low pressure zones.
What do air molecules do when they bounce off objects?
The impacts are what cause air pressure. After collision, the air molecule moves away in a straight line until it hits something else.
