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

D.1.5 Gravitational Potential Energy in a Non-Uniform Field – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
The change in gravitational potential energy of mass m moving through a potential difference ΔV is
mgΔV
mΔV
ΔV/m
m/ΔV
2.
For a large height change, mgΔh compared with the true ΔEp is
too small
exactly right
too large
negative
3.
The area under a graph of gravitational force against separation represents
work done against gravity
field strength
potential
power
4.
A mass falling freely towards a planet from far away has its kinetic energy equal to
its potential energy at infinity
the decrease in potential energy
zero
mgh
5.
The potential energy of a satellite in orbit is
positive
zero
negative
undefined
6.
A 4.0 kg mass moves from potential −9.0 × 106 to −3.0 × 106 J kg−1. The change in Ep is
−2.4 × 107 J
+4.8 × 107 J
+6.0 × 106 J
+2.4 × 107 J
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Part of Theme D — Fields — see every lesson and quiz in this unit.
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