Mechanical Engineering - Engineering Mechanics - Discussion

Discussion Forum : Engineering Mechanics - Section 1 (Q.No. 11)
11.
A smooth cylinder lying on its convex surface remains in __________ equilibrium.
stable
unstable
neutral
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
32 comments Page 1 of 4.

Kashif said:   3 years ago
It's neutral equilibrium A ball rolling, are cylinder rolling are both examples of neutral equilibrium where a new equilibrium condition is adopted without change in the position of C.G.

So neutral equilibrium is the correct option.
(4)

Omkar said:   5 years ago
Not getting it, please explain in detail.
(1)

Nagendra karn said:   6 years ago
If the particle is slightly displaced from its orignal position and it doesnt come back to its initial position then its unstable equilibrium, so in the case of convex surface.
(5)

Devendra said:   7 years ago
It depends on the surface on which the cylinder is lying.
If it lies on the concave surface then it will be in stable equilibrium.
If it lies on convex surface then it will be in unstable equilibrium.
If it lies on the plane surface then it will be in neutral equilibrium.
(31)

Lakhan bhavnani said:   7 years ago
If smooth cylinder lying on a horizontal surface then it is said to neutral equilibrium.

In covex surface neutral equilibrium is not possible.
(2)

Aman said:   7 years ago
Why can't it be neutral? Please explain.

Ranga... said:   7 years ago
Convex surface is upper than it un blanced.

Ashish Baranwal said:   8 years ago
A body can not Stable at Convex Surface that's why it Unstable.

Jayesh Dhotkar said:   8 years ago
Firstly, that is smooth surface hence it doesn't have any friction.

Then it's still unstable because of the absence of friction in that case.

Vivek said:   9 years ago
Here surface is smooth so how it can roll?


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