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Normally, air resistance slows an object and this does not help motion, it impedes it. Lift, which is an aerodynamic force, is very helpful and it's caused by air resistance. This allows a plane to lift off and stay in flight.
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Air slows the motion of an object by a force called what?
Air resistance.
What features of an object will affect air resistance?
the amount of air resistance on an object depends on the size, shape, and speed of the object. Air resistance is the force that opposes the motion of objects through air.
What is the effect on the projectile motion when the diameter of the object is changed?
-- In the absence of air resistance, the object's diameter has no effect at all on the projectile motion. -- In the presence of air resistance, one has to know everything about the object AND the air in order to have a prayer of calculating the effect.
What is frictional resistance due to motion through air?
This frictional resistance known as "air resistance" is the drag force. The drag force changes with the drag coefficient of the object in motion.
What force opposes the downward motion of falling object?
Air resistance
What motion of an object is falling when air resistance is negligible?
Free fall
How does gravity and air resistance affect the motion?
the object has less mass. the object has a large surface.
What is the force that opposes the motion of objects through air?
Air Resistance is the kinetic friction of the object's surface moving through the air. In aeronautical terms this is known as drag.
Air resistance has a greater effect on the motion of an object when?
When the object is very light or/and the region around the object is very windy!
What is the direction of air resistance on a falling object ?
Just like any other source of friction, air resistance effectively results in a force opposite to the object's motion. If the object is falling, then the force is upward.
How does friction and air resistance affects the motion of a object?
They'll try to slow it down.
Is an object sliding along a horizontal table an example of projectile motion?
No. The definition of projectile motion is an object dropped launched into the air, which is acted upon by gravity. (For the basic forms of the motion, air resistance is ignored.)
