O Level Physics: Mechanics, Thermal Physics and Momentum (5054)

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92 lessons

1.1 · Physical quantities and measurement techniques

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Physical quantities and units

Preview12m

Measuring length with tapes and rulers

Preview12m

Reading an analogue micrometer

14m

Measuring volume with a measuring cylinder

12m

Measuring time intervals

12m

Measuring multiples: small distances and short times

14m

Scalars and vectors

12m

The resultant of two vectors at right angles: by calculation

14m

The resultant of two vectors at right angles: by scale drawing

14m

Physical quantities and measurement: practice

Physical quantities and measurement: exam practice

15m

Physical quantities and measurement: summary

1.2 · Motion

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1.3, 1.5.1-1.5.2 · Mass, weight and forces

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1.5.5-1.5.6 · Turning effect of forces and centre of gravity

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1.4, 1.5.3, 1.8 · Density, elastic deformation and pressure

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1.7.1-1.7.2, 1.7.4-1.7.5 · Energy, work and power

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1.5.4 · Circular motion

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1.6 · Momentum

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1.1 · Physical quantities and measurement techniquesLesson 8 of 12

The resultant of two vectors at right angles: by calculation

Draw the two vectors head to tail. Pythagoras gives the size of the resultant and tan gives its direction.

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