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.2.17 Centripetal Force – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Which of these is the correct expression for centripetal force?
mv²/r
mv/r
mv²r
m r/v²
2.
If the speed of a body in a circle doubles at the same radius, the centripetal force
Doubles
Is unchanged
Quadruples
Halves
3.
A car turns a corner on a flat road. The centripetal force is provided by
The engine force
The weight of the car
Friction between tyres and road
Air resistance
4.
A ball on a string moving in a circle has the string cut. It
Moves along the tangent
Moves radially outwards
Continues in a circle
Stops
5.
A pilot flying a vertical loop has the greatest apparent weight at
The top
The sides
All points equal
The bottom
6.
A 2.0 kg mass moves in a circle of radius 0.50 m at 3.0 m s⁻¹. The force required is
12 N
18 N
27 N
36 N
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Part of Theme A — Space, Time and Motion — see every lesson and quiz in this unit.
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