The sagging effect and angular speed.

This will give you the theoretical angular speed of the object. In summary, the sagging effect of an object with mass m rotating in a circular path at an angle of "theta" below the horizontal can be calculated by determining the change in height and converting the potential energy to kinetic energy to find the theoretical angular speed. This can be found by converting the velocity from m/s to rad/s.
  • #1
alevis
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Homework Statement



Does anyone know anything about the sagging effect of a object with mass m rotating in a circular path at an anle of "theta" below the horrizontal?
How do you find the theoretical angular speed the the object is rotating at R revs/d in t seconds at an angle of "theta" degrees (because of sagging effect caused by gravity). You are given the angular speed in revs/s, the time in t seconds and the force of gravity acting on the object during it's motion but not the angle below the horrizontal. How do you find it.
I'd also like to know how the sagging effect affects the theoretical angular speed.
I would like to know how to find the rea

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  • #2
As the object travels downward the potential energy it had is converted to velocity. This is why the object will speed up at the bottom and slow down at the top.

Basically you take the change in height of the object, figure out how much potential energy was converted to kinetic energy over that height and then convert that velocity from m/s to rad/s.
 
  • #3


I am happy to provide some information on the sagging effect and angular speed. The sagging effect, also known as the centrifugal force, is the apparent outward force experienced by an object rotating in a circular path. This is caused by the object's inertia trying to keep it moving in a straight line, while the circular motion pulls it towards the center.

To find the theoretical angular speed of an object rotating at an angle of "theta" degrees, we can use the equation ω = v/r, where ω is the angular speed, v is the linear speed of the object, and r is the radius of the circular path. In this case, the linear speed (v) can be found using the equation v = ωr, where ω is the angular speed and r is the radius.

The sagging effect caused by gravity will affect the theoretical angular speed by slightly increasing it. This is because gravity adds an additional force pulling the object towards the center of the circle, causing it to travel at a slightly higher speed. However, the effect of gravity on the theoretical angular speed is usually very small and can be neglected in most cases.

To find the angle below the horizontal at which the object is rotating, we can use the equation tanθ = v/g, where θ is the angle, v is the linear speed of the object, and g is the force of gravity. This equation can be rearranged to solve for θ, giving us θ = tan^-1(v/g).

I hope this information helps you understand the relationship between the sagging effect and angular speed. If you have any further questions, please feel free to ask.
 

What is the sagging effect?

The sagging effect is a phenomenon that occurs when an object is rotating at a high speed. As the object rotates, it experiences centrifugal force which causes it to bulge outwards. This results in a drooping or sagging appearance.

What causes the sagging effect?

The sagging effect is caused by the combination of angular speed and centrifugal force. As an object rotates faster, the centrifugal force acting on it increases, leading to a greater sagging effect.

How does angular speed affect the sagging effect?

Angular speed plays a crucial role in the sagging effect. The faster an object rotates, the greater the centrifugal force acting on it, resulting in a more pronounced sagging effect.

Can the sagging effect be reduced or eliminated?

Yes, the sagging effect can be reduced or eliminated by decreasing the angular speed of the rotating object. This would result in a decrease in centrifugal force and therefore, a lesser sagging effect.

Are there any real-world applications of the sagging effect?

Yes, the sagging effect has real-world applications in various fields, such as engineering and physics. It is also important to consider in designing and building structures that rotate at high speeds, such as wind turbines and centrifuges.

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