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.3.8 Energy and Power – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
Start Quiz
1.
A motor transfers 1200 J in 4.0 s. Its power is
300 W
4800 W
1200 W
0.33 W
2.
A car with resistive force 800 N moves at constant 20 m s−1. Engine power is
40 W
1.6 kW
16 kW
160 kW
3.
The area under a power-time graph represents
force
energy transferred
velocity
efficiency
4.
Which is a unit of energy?
W
kW
kW h
W s−1
5.
A person of weight 700 N climbs stairs 3.0 m high in 5.0 s. Their power output is
140 W
420 W
2100 W
10 500 W
6.
For a constant power engine, a decrease in driving force corresponds to
a decrease in speed
an increase in speed
no change in speed
zero speed
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Part of Theme A — Space, Time and Motion — see every lesson and quiz in this unit.
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