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.4.6 Newton’s Second Law for Rotation – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Which equation is Newton's second law for rotation?
Γ = Fr
Γ = Iα
Γ = Lω
Γ = ½Iω2
2.
A torque of 6.0 N m acts on a body with I = 2.0 kg m2. The angular acceleration is
0.33 rad s−2
3.0 rad s−2
12 rad s−2
4.0 rad s−2
3.
If I doubles and the torque is unchanged, α
doubles
halves
is unchanged
quadruples
4.
A wheel rotates at constant angular velocity. The net torque is
constant and non-zero
zero
increasing
equal to Iω
5.
A hanging mass accelerates a pulley. The acceleration of the mass is
equal to g
greater than g
less than g
zero
6.
A motor torque 10 N m is opposed by a friction torque 4.0 N m. I = 3.0 kg m2. The angular acceleration is
2.0 rad s−2
3.3 rad s−2
4.7 rad s−2
1.3 rad s−2
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Part of Theme A — Space, Time and Motion — see every lesson and quiz in this unit.
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