Question

The center of gravity of hollow cylinder is the middle point on its ?

Answer 1

Answer:

The centre of gravity of hollow cylinder is the the middle point of the axis.

Explanation:

In case of uniform structures centre of mass and centre of gravity is the same point.

• Centre of mass: Centre of mass is a point of an object, at which the mass of the whole body concentrates. For uniform structure centre of mass is situated at centre of the structure.
• Centre of gravity: Centre of gravity is the balancing point of an object. From this point the weight distribution remain balanced throughout the whole body.

        Formula for calculating centre of gravity is = $\frac{s_1w_1 + s_2w_2 + s_3w_3}{w}$

       Here $s_1,s_2,s_3$ are the distances of the points from centre of the body. $w_1, w_2, w_3$ are the weights of the points. w is the total weight.

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Answer 2

Answer:

The center of gravity of hollow cylinder is the middle point on its mid-point on the axis of the cylinder.

Explanation:

• The centre of Gravity is defined as the point in which the weight of the body or the system may be into consideration.
• We know that, the uniform gravity will be same as compared to the centre of the mass.
• When we consider the regular shape of a body, it will occur at the centre of that only particular body.
• The Centre of the Gravity is the point at which the weight which is said to be distributed will be balanced. Here, the balancing point of the solid object is fixed.
• Let the distribution weight be at each point of the body determine the centre of the gravity.
• It can be calculated by moments at each point of the distribution and its total weight.

Now we know that,

The equation of the gravity is:

CG = w1d1+w2d2+w3d3/w

Here, w1, w2 and w3 is known as the weights of point of the body

D1, d2 and d3 are distances of points from centre of body axis.

Therefore, the center of gravity of hollow cylinder is the middle point on its mid-point on the axis of the cylinder.

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