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.4.8 Angular Impulse – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Angular impulse equals
Γθ
ΓΔt
Iα
Lω
2.
A torque of 5.0 N m acts for 4.0 s. The change in angular momentum is
1.25 kg m2 s−1
9.0 kg m2 s−1
20 kg m2 s−1
0.80 kg m2 s−1
3.
The area under a torque-time graph represents
work done
angular impulse
power
angular displacement
4.
A torque of 6.0 N m acts for 2.0 s on a body of I = 3.0 kg m2 initially at rest. The final angular velocity is
1.0 rad s−1
4.0 rad s−1
9.0 rad s−1
36 rad s−1
5.
A brake stops a wheel with L = 40 kg m2 s−1 in 5.0 s. The average torque magnitude is
0.125 N m
8.0 N m
200 N m
45 N m
6.
The unit N m s is equivalent to
kg m s−2
kg m2 s−1
kg m2 s−2
kg m s−1
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Part of Theme A — Space, Time and Motion — see every lesson and quiz in this unit.
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