Curriculum
Course: IB Physics SL
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Curriculum

IB Physics SL

Theme A — Space, Time and Motion

0/80 Dr Dabour Hub Science Diagram and Course Material

Theme B — The Particulate Nature of Matter

0/87 Dr Dabour Hub Science Diagram and Course Material

Theme C — Wave Behaviour

0/60 Dr Dabour Hub Science Diagram and Course Material

Theme D — Fields

0/41 Dr Dabour Hub Science Diagram and Course Material

Theme E — Nuclear and Quantum Physics

0/59 Dr Dabour Hub Science Diagram and Course Material

Tools and Inquiry — IB Physics skills

0/54 Dr Dabour Hub Science Diagram and Course Material
Quiz

A.2.12 Impulse and Momentum – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
The area under a force–time graph is
Work done
Power
Impulse
Acceleration
2.
A constant 20 N force acts on a body for 3.0 s. The impulse is
60 N s
6.7 N s
23 N s
0.15 N s
3.
An airbag reduces injury because it
Reduces the change in momentum
Increases the impulse
Stops the car
Increases the stopping time and reduces the force
4.
A 0.20 kg ball hits a wall at 10 m s⁻¹ and rebounds at 10 m s⁻¹. The change in momentum has magnitude
0
4.0 kg m s⁻¹
2.0 kg m s⁻¹
20 kg m s⁻¹
5.
A force of 500 N acts for 0.010 s on a 0.25 kg ball initially at rest. Its speed is
2.0 m s⁻¹
5.0 m s⁻¹
50 m s⁻¹
20 m s⁻¹
6.
The unit N s is equivalent to
kg m s⁻¹
kg m s⁻²
kg m² s⁻²
kg m⁻¹ s
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Part of Theme A — Space, Time and Motion — see every lesson and quiz in this unit.
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