A-LEVEL PHYSICS: 11.1.4: Moment of Inertia (SaveMyExams)

Question 1

in linear motion, the resistance to a change of motion, eg linear acceleration, is known as…

Answer 1

inertia

Question 2

the larger the mass of an object, the greater its…

Answer 2

inertia

Question 3

inertia:

Answer 3

the resistance to a change of linear motion
(eg linear acceleration)

Question 4

in rotational motion, the distribution of mass around an axis must be considered, using…

Answer 4

moments of inertia

Question 5

rotational equivalent of mass:

Answer 5

moment of inertia

Question 6

moment of inertia:

Answer 6

the resistance to a change of rotational motion, depending on the distribution of mass around a chosen axis of rotation

Question 7

moment of inertia is measured in…

Answer 7

kg m^2

Question 8

the moment of inertia of a body corresponds to how easy or hard it is to ___, and this is dependent on many factors, eg: (2)

Answer 8

rotate

-total mass (m)

-how its mass is distributed

Question 9

the moment of inertia of a singular object can change depending on…

Answer 9

its orientation in relation to the chosen axis of rotation

Question 10

the moment of inertia of a thin rod is different for each of the following orientations: (3)

Answer 10

-rotation abouts its vertical axis

-rotation about its centre of mass

-rotation about one end

Question 11

moment of inertia (I) = …

Answer 11

I = Σmr^2