Questions tagged [centrifugal-force]
Centrifugal force is an inertial (pseudo or fictious) force used in a non-inertial frame of reference in order to apply the Newton's laws of motion. If your question is about centripetal force, which is a real force that points towards the center of a circular trajectory, use the tag "centripetal-force" instead.
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Centripetal force pointing outward
What's going on physicists.
I would like some explanation here. I haven't been satisfied with the ones I gathered on the internet.
Here is it:
If a particle moves in circular motion, there will be a ...
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Why do objects in circular motion move outwards instead of inwards? [duplicate]
I know that whenever an object undergoes circular motion then it has a centripetal acceleration towards the centre and a tangential acceleration. Due to these accelerations I had thought that ab ...
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Getting an opposite sign for the centrifugal potential energy in the effective potential [duplicate]
Consider a system whose Lagrangian is
$$L = \frac12 \mu\left( \dot r^2 + r^2 \dot\theta^2 \right) -U(r) $$
By the Euler-Lagrange equation,
$$\frac{\partial L}{\partial\theta}=\frac{d}{dt}\frac{\...
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Why doesn't centrifugal force change instantly?
If I'm riding my dirt bike on a rocky road, centrifugal force keeps the front wheel rolling in a straight line so I can take my hands off the handlebars without worry. But if I hit a rock and the ...
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What is the relationship between gravitation, centripetal and centrifugal force on the Earth?
I'm trying to analyze a situation wherein a ship is moving across the surface of the earth. I am trying to analyze this situation in a reference frame that is rotating with the earth (NED frame).
I am ...
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Why, when we calculate forces in banking of roads, we do not take the centripetal force but the centrifugal force?
I know the we only apply centrifugal force when in non inertial frame of the object but in banking of road questions, why cant we make equations from inertial frame rather than non inertial frame?
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Question on rotational dynamics
My book states that it's convienient to apply torque equation $\tau=I \alpha$ on
instantaneous axis of rotation and centre of mass.
My question is: why it is so?
And how can we apply torque equation ...
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Drawing a free-body diagram for a body residing on Lagrange point $L_4$ and $L_5$
I am aware of the fact that Lagrange points $L_4$ and $L_5$ are stable equilibrium points however I cannot understand why they are equilibrium points in the first place.
Consider a Earth-Moon system ...
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Forces in tangentially-accelerating circular motion
Let's say a car is moving along a semicircular path. It moves with constant speed for the first half. Then, it accelerates with constant tangential acceleration for the second half of the semicircle. ...
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Apparent contradiction regarding centrifugal force
Consider an inertial reference frame $I$, and a point object $K$ which is at rest with respect to $I$. $K$ is not at the origin of $I$.
Consider another reference frame $I’$, with the same origin as $...
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Why is the centrifugal force multiplied by $\sin$ here?
I'm currently studying for an exam and wondering what the visual interpretation of this question would be.
It's a multiple part question and the first question was describing the equilibrium angle of ...
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How does $g$-force work?
I am attempting to correct a previous, unclear question. I was doing an assignment on rollercoasters and it stated that $g$-force was a major part of rollercoaster safety. It also related $g$-force to ...
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Can we treat the entire mass of the spheroid as being concentrated at its center?
I know that to find the gravitational force between two objects, if either of them is a sphere, we can assume its mass to be concentrated at its center and use the formula for gravitational forces for ...
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How is Gravity, assuming only General Relativity, *not* like Centrifugal Force?
It is common to state that "Gravity is not a force" due to its interpretation as a curvature effect in general relativity. By this, is it right to say that gravity is a fictitious force due ...
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Normal force and when does it cancel out
If i have this box, making a turn and there is tennis ball inside, then how in terms of forces can the tennis ball stay how i drew it, all the way around the circle? What provides the centripetal ...
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