Physics
The centre of gravity of a uniform ball is
- at its geometrical centre
- at its bottom
- at its topmost point
- at any point on its surface
Force
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Answer
at its geometrical centre
Reason — For a uniform ball (a sphere with uniform density), the center of gravity coincides with its geometrical center. This is because the mass of the ball is evenly distributed throughout its volume, leading to a symmetrical distribution of mass around its center. Thus, the center of gravity of a uniform ball is located at its geometrical center.
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Related Questions
With respect to centre of gravity, which of the following statements are correct?
- The position of centre of gravity depends on its shape.
- It is not necessary that the centre of gravity of a body should always be within the material of the body.
- A body of weight W can be considered as a point particle of weight W at its centre of gravity.
- All of the above
The centre of gravity of a body is the point about which the algebraic sum of moments of weights of all the particles constituting the body is:
- 1
- > 1
- < 1
- 0
The centre of gravity of a hollow cone of height h is at distance x from its vertex where the value of x is:
Where should the centre of gravity of a body be located for stable equilibrium?
- above the base
- near the geometric centre
- can be anywhere
- both (1) and (2)