All Questions
7
questions
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337
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"Centrifugal Force" felt in a turning car
From my understanding, when you are in a turning car, assuming that you are not touching any part of the car except the seat, the frictional force from the seat is acting as the centripetal force. Is ...
0
votes
2
answers
48
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Does the centrifugal force of a rotating object acts at this same rotating object?
when rotating an object by a string a centripetal force from the string will act at the object towards the center and by Newton's 3rd law an opposite force will act at the string by the object . Then ...
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-1
votes
1
answer
119
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Circular motion of a ball suspended from the rim of a rotating table [closed]
Susppose there is a ball with radius $r$ suspended to the rim of a circular spinning table with radius $R$ by a string with length $l$ which makes an incline angle $\theta$ with the vertical axis.
If ...
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3
votes
3
answers
1k
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Understanding a rotational system with centripetal snap, angular jerk, and a third-dimensional tension vector
In a recent experiment in my physics class, we were given the task of finding the experimental rotational moment of inertia in a T-stand with two masses attached to the ends of a certain length. I ...
- 139
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2
answers
235
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Cause of centripetal acceleration in a ring
Suppose a ring is rotating in space with an angular velocity $\omega .$ Then each element of the ring is having an acceleration of $m\omega^2 r$ ($r$ is the radius of the ring) but what force is ...
- 199
1
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0
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977
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Tension in a rod rotating about a fixed point
A rod of mass $m$ and length $l$ is rising about a fixed point in the ceiling with an angular velocity $\omega$ as shown in the figure.
Now, on taking a small element on the rod, the net tension ...
- 381
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2
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167
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Rigid bar on the floor of a rotating space station
I read this in a comment to an answer in physics.stackexchange.com. The comment was
An easier method might be to just place a straight, rigid beam on the floor. If you find the floor is concave, ...
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