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

T.3.3 Combining and Resolving Vectors – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
The vertical component of 20 N at 30° above the horizontal is:
10 N
17 N
20 N
40 N
2.
Two perpendicular forces of 6 N and 8 N have a resultant of:
14 N
10 N
2 N
48 N
3.
To subtract B from A you:
subtract their magnitudes
multiply them
add the reverse of B to A
add them as they are
4.
A 5.0 kg block on a 30° slope has weight component along the slope:
24.5 N
42.4 N
49 N
12.2 N
5.
A boat crosses a river heading perpendicular to the current. Its resultant speed is:
larger than its engine speed
smaller than the engine speed
equal to the current speed
zero
6.
For an object in equilibrium, which is true?
all forces are equal
the vector sum of forces is zero
no forces act
the velocity is zero
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Part of Tools and Inquiry — IB Physics skills — see every lesson and quiz in this unit.
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