Curriculum
Course: IB Physics HL
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Curriculum

IB Physics HL

Theme A — Space, Time and Motion

0/125 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/105 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/73 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/77 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/89 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/43 Dr Dabour Hub Science Diagram and Course Material
Quiz

A.4.5 Moment of Inertia – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
The SI unit of moment of inertia is
kg m
kg m2
N m
kg m2 s−1
2.
A 0.50 kg mass is 0.60 m from an axis. Its moment of inertia is
0.18 kg m2
0.30 kg m2
0.60 kg m2
1.8 kg m2
3.
If the distance of a point mass from the axis doubles, its moment of inertia
doubles
increases by √2
quadruples
is unchanged
4.
Which has the greatest moment of inertia for the same mass and radius about its central axis?
Solid disc
Solid sphere
Thin ring
Cylinder
5.
A uniform rod rotates about its midpoint and then about one end. The ratio I(end)/I(centre) is
2
3
4
8
6.
A flywheel is designed with most of its mass at the rim to
reduce its mass
increase I for a given mass
reduce friction
decrease ω
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Part of Theme A — Space, Time and Motion — see every lesson and quiz in this unit.
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