Wind resistance, a type of friction also known as drag, is the relative opposing force imparted on an object as it moves against still air. The wind resistance on an object depends on the square of its velocity, so as the object accelerates, its velocity and wind resistance increase.
Continue ReadingWind resistance is generated by all the exposed surfaces of the object, as it travels through the air. The shape of the object also contributes to the amount of wind resistance the object experiences. As more streamlined shapes, such as those of airplanes, rockets and high-performance automobiles, force the air around the objects surface, as to reduce the effect of wind resistance on their movement.
Learn more about Motion & MechanicsSome force and motion experiments include dropping two objects of different masses from the same height to demonstrate Newton’s law of acceleration, and the terminal velocity experiment to demonstrate the interaction of the effect of drag or resistance on acceleration. Two objects with different masses dropped from the same height reach the ground at the same time.
Full Answer >Terminal velocity is the velocity at which an object in freefall no longer accelerates due to gravity because the drag force of the surrounding air equals the gravitational force of Earth. Objects with more mass have more weight, and it takes more drag force to reach terminal velocity.
Full Answer >The drag equation is a formula used to calculate the force of drag experienced by an object due to movement through a fully enclosing fluid. The drag equation is D = Cd * A * .5 * r * V^2. The drag equation states that drag (D) is equal to the drag coefficient (Cd) times the density (r) times half of the velocity (V) squared times the reference area (A).
Full Answer >Air resistance is caused by friction between a moving object and the air molecules surrounding it. The energy required to push these molecules out of the way diminishes the object's kinetic energy and correspondingly reduces its velocity.
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