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.1.1 Newton’s Law of Gravitation – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Two masses attract with force F. The separation is tripled. The new force is
F/9
F/3
3F
9F
2.
Which unit is correct for the constant G?
N kg−1
N m2 kg−2
N m kg−2
m s−2
3.
The Earth attracts a 2.0 kg book with a force of 19.6 N. The force of the book on the Earth is
zero
9.8 N
19.6 N, directed towards the book
about 10−24 N
4.
Two spheres of mass m with centres a distance r apart attract with force F. If both masses are doubled and r is doubled, the force becomes
2F
F/2
4F
F
5.
A satellite is 400 km above the Earth's surface (radius 6370 km). In the law of gravitation r equals
400 km
6770 km
6370 km
7170 km
6.
A graph of F against 1/r2 for two fixed masses is
a curve falling to zero
a horizontal line
a straight line through the origin
a straight line with negative gradient
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Part of Theme D — Fields — see every lesson and quiz in this unit.
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