Curriculum
Course: OCR A Level Physics A H556
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Curriculum

OCR A Level Physics A H556

1. Development of Practical Skills in Physics

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2. Foundations in Physics

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3. Forces and Motion

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4. Electrons, Waves and Photons

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OCR H556 chapter questions and answers

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Quiz

4.3.2 Pressure – Check yourself

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  • Questions count: 6
  • Passing grade: B+
  • Time limit: 10 minutes
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1.
Pressure is defined as
Force × area
Force / area
Area / force
Mass / area
2.
A 500 N force acts normally on 0.25 m2. The pressure is
125 Pa
500.25 Pa
2000 Pa
0.0005 Pa
3.
Why does a sharp knife cut well?
Larger force
Low density
Large area
Small area gives high pressure
4.
In a hydraulic jack the small piston moves 12 cm and the area ratio is 1:6. The large piston moves
2 cm
12 cm
72 cm
6 cm
5.
1 Pa is the same as
1 N m
1 N m−2
1 kg m−1
1 J m2
6.
The pressure on a surface at the same depth in a static liquid acts
Equally in all directions
Only upwards
Only downwards
Only sideways
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Part of 3. Forces and Motion — see every lesson and quiz in this unit.
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