Topic 2 :Mechanics
2.1_Motion

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Distance and displacement
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Speed and velocity
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Speed and velocity
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Graphs describing motion
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Projectile motion
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Fluid resistance and terminal speed
2.2 _Forces

- Objects as point particles
- Free-body diagrams
- Translational equilibrium
- Solid friction
2.3_Work, energy and power

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Kinetic energy
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Gravitational potential energy
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Elastic potential energy
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Work done as energy transfer
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Power as rate of energy transfer
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Efficiency
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Principle of conservation of energy
2.4_Momentum and impulse

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Newton’s second law expressed in terms of rate of change of momentum
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Impulse and force–time graphs
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Conservation of linear momentum
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Elastic collisions, inelastic collisions and explosions