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GCSE Unit P3
More Mechanics; Lenses & Mirrors;
Ultrasound; Electromagnetism; Stars.
Summary Notes
Name:
Form:

Page 3

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Page 4

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5th Year GCSE Physics Revision Sheets page 2 of 16

Moments and Centre of Mass
· The weight of a pivoted object can have a turning effect. If the pivot passes through its centre of mass,
the object does not turn, clockwise or anticlockwise. If a force is applied at…

Page 5

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5th Year GCSE Physics Revision Sheets page 3 of 16

Page 6

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Circular Motion
· When an object moves in a circle at a steady speed, the direction of its motion, and thus its velocity, is
constantly changing. Therefore, from Newton's Second Law of Motion, a force towards the centre of the
circle (a centripetal force) is needed. In the case of…

Page 7

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5th Year GCSE Physics Revision Sheets page 4 of 16

Page 8

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Reflection
· When a ray of light is reflected from a flat (plane) mirror, or a piece of glass the angle at which it leaves
the surface (angle of reflection) is the same as the angle at which it meets the surface (angle of incidence).
· Angles are always measured…

Page 9

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5th Year GCSE Physics Revision Sheets page 5 of 16

Page 10

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Curved Mirrors
· Curved mirrors work by reflecting light rays according to the rule on page 4; the normal lines are still at
right angles to the surface, but unlike for a plane mirror, are not parallel to each other
· Curved mirrors are either convex (the back of a…

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Pages in this set

Page 1

Preview of page 1

Page 2

Preview of page 2
GCSE Unit P3
More Mechanics; Lenses & Mirrors;
Ultrasound; Electromagnetism; Stars.
Summary Notes
Name:
Form:

Page 3

Preview of page 3

Page 4

Preview of page 4
5th Year GCSE Physics Revision Sheets page 2 of 16

Moments and Centre of Mass
· The weight of a pivoted object can have a turning effect. If the pivot passes through its centre of mass,
the object does not turn, clockwise or anticlockwise. If a force is applied at…

Page 5

Preview of page 5
5th Year GCSE Physics Revision Sheets page 3 of 16

Page 6

Preview of page 6
Circular Motion
· When an object moves in a circle at a steady speed, the direction of its motion, and thus its velocity, is
constantly changing. Therefore, from Newton's Second Law of Motion, a force towards the centre of the
circle (a centripetal force) is needed. In the case of…

Page 7

Preview of page 7
5th Year GCSE Physics Revision Sheets page 4 of 16

Page 8

Preview of page 8
Reflection
· When a ray of light is reflected from a flat (plane) mirror, or a piece of glass the angle at which it leaves
the surface (angle of reflection) is the same as the angle at which it meets the surface (angle of incidence).
· Angles are always measured…

Page 9

Preview of page 9
5th Year GCSE Physics Revision Sheets page 5 of 16

Page 10

Preview of page 10
Curved Mirrors
· Curved mirrors work by reflecting light rays according to the rule on page 4; the normal lines are still at
right angles to the surface, but unlike for a plane mirror, are not parallel to each other
· Curved mirrors are either convex (the back of a…

Comments

No comments have yet been made