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

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Course content

92 lessons

1.1 · Physical quantities and measurement techniques

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1.2 · Motion

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1.3, 1.5.1-1.5.2 · Mass, weight and forces

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Mass and inertia

Preview10m

Weight and gravitational field strength

Preview12m

Measuring mass and weight

11m

Types of force

10m

Free-body diagrams

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Resultant force

11m

Newton's first law

11m

Resultant force, mass and acceleration (F = ma)

12m

Newton's third law

11m

Friction

11m

Drag and terminal velocity

12m

Thinking distance, braking distance and stopping distance

11m

Factors affecting thinking and braking distance

11m

Mass, weight and forces: practice

Mass, weight and forces: exam practice

15m

Mass, weight and forces: summary

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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1.3, 1.5.1-1.5.2 · Mass, weight and forcesLesson 11 of 16

Drag and terminal velocity

Drag grows with speed until it balances the weight. Then the resultant is zero and the speed stops rising.

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