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A resistive force \(\vec{F}_r\) on an object moving relative to some medium is a force opposing the motion of that object that arises due to the physical properties of the medium and object. At low speeds, the resistive force is directly proportional to the velocity of the object and in the opposite direction, that is \[\vec{F}_r = -k\vec{v}.\]
Resistive force is a force that opposes the motion of an object through a fluid or a gas. It is also known as drag force and is proportional to the velocity of the object. Resistive force can be calculated using the equation F = bv, where b is the drag coefficient and v is the velocity of the object. Written by Perlego with AI-assistance.
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It is clear that the answer of the first question in the Introduction paragraph is "the ball will eventually stop after a while." We know this from practice. But what causes the ball to stop? Is there any resistive force acting in the opposite direction of motion that slows down and eventually stops the moving object? The answer is YES. The ball is...
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14.1 Intro to Resistive Forces | Classical Mechanics | Physics | MIT OpenCourseWare. Week 4: Drag Forces, Constraints and Continuous Systems. 14.1 Intro to Resistive Forces.
Resistive Forces At Low Speed. Neglecting upthrust or buoyancy force, the vertical forces on the object is: Since , , where k is a constant. The value of k depends on the medium and the object. When , the resistive force is also zero and the acceleration is simply . As t increases, the resistive force increases and the acceleration decreases.
In such a situation, the resistive force FR F R is generally found to be proportional to some power of the velocity v v of the body: FR ∝ vn (22.1) (22.1) F R ∝ v n. We'll examine two common models of this resistive force: one where n = n = 1, and another where n = n = 2. Examples with n = n = 1 include flow through fine fibrous mats such ...
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May 13, 2023 · What is the formula for resistive force? George Jackson. Published: May 13, 2023. Sharing is Caring. The resistive force acting on a body moving with a velocity V through a fluid at rest is given byF = CoV2 Ap where, CD= coefficient of drag, A = area of cross-section perpendicular to the direction of motion.
