Stability of Floating Bodies

Question 1

A floating body is______ if, when it is displaced, it returns to equilibrium.

Answer 1

Stable

Question 2

A floating body is _______ when it is displaced, it moves to a new equilibrium.

Answer 2

Unstable

Question 3

If MG is positive it is-

Answer 3

Stable

Question 4

If MG is negative it is-

Answer 4

Unstable

Question 5

BO (center if bouyancy) is ___ if it is above G (center of gravity)

Answer 5

Positive

Question 6

BO (center of Bouyancy) is____ if it is below G (center of gravity).

Answer 6

Negative

Question 7

Two movements of stability are-

Answer 7

Rolling motion and pitching motion

Question 8

Righting Moment has ____ value.

Answer 8

Positive

Question 9

Righting Moment Formula

Answer 9

RM= W (MG sin theta)

Result is positive value

Question 10

Overturning Moment has _____ value.

Answer 10

Negative

Question 11

Overturning Moment formula

Answer 11

OM = W (MG sin theta)

Result is negative value

Question 12

Initial metacentric height is synonymous to-

Answer 12

Upright position of the object

Question 13

MBo Rolling Formula (Upright)

Answer 13

MBo = B^2 / 12D

Question 14

MBo Pitching Formula (Upright)

Answer 14

MBo = L^2 / 12D

Question 15

MBo Rolling Formula (Tilted)

Answer 15

MBo = B^2 / 12D (1+ tan2theta/2)

Question 16

MBo Pitching Fomula (tilted)

Answer 16

MBo = L^2 / 12D (1+ tan2theta/2)