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Results tagged with rotational-dynamics
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user 117789
A tag for questions about the mechanical interactions of rotating objects, including torque and angular momentum.
8
votes
2
answers
21k
views
What is rotational potential energy?
I don't understand the concept of rotational potential energy.
During linear motion, when a force is applied, the work it does gets converted to kinetic energy and there is no change in the potenti …
- 997
5
votes
2
answers
9k
views
The direction of frictional force in circular turning
Why does the frictional force in case of circular motion point towards the center even though the motion is tangential to the radius?
- 997
1
vote
0
answers
57
views
Whether a ball thrown upwards will come back to the same position if we consider the effect ... [duplicate]
My friend and I had a huge debate about whether the trajectory of a projectile thrown upwards will be affected by the rotation of the earth. We finally concluded after detailed explanations that it sh …
- 997
0
votes
1
answer
313
views
Total torque about any line when resultant force is zero [closed]
While reading about rotational equilibrium in a book, I came across a statement which I was unable to understand:
In general,
the torque is different about different lines but it can be shown that if …
- 997
0
votes
3
answers
2k
views
Tension in a string with pulley and two objects at opposite ends
Tension is confusing me. According to my understanding of tension the tension in a string is uniform but while going through the solution of a problem I read that tge tension on the left part of the …
- 997