Topic 2: Mechanics
Topic 2.1 Motion 
Resources that may be helpful 
2.1.1

Define and distinguish between displacement, distance, and position

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2.1.2

Define and distinguish between velocity and speed

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2.1.3

Define acceleration

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2.1.4

Distinguish between instantaneous and average values of the following: speed, velocity, and acceleration

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2.1.5

Determine relative velocity in one and in two dimensions

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2.1.6

Determine experimentally the acceleration of freefall
hint: describe at least one procedure that can be used to determine the value, and state the value of the acceleration of freefall on Earth. 
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2.1.7

Draw and analyze distancetime graphs, displacementtime graphs, velocitytime graphs, and acceleration time graphs

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2.1.8

Calculate and interpret the gradients of displacementtime graphs and of velocitytime graphs, as well as the areas under both velocitytime graphs and accelerationtime graphs.

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2.1.9

Outline the conditions under which the equations for uniformly accelerated motion may be applied.

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2.1.10

Solve problems involving the equations of uniformly accelerated motion.

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2.1.11

State the independence of the vertical and the horizontal components of velocity for a projectile in a uniform field.

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2.1.12

Describe and sketch the trajectory of projectile motion as parabolic in the absence of air resistance.

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2.1.13

Solve problems on projectile motion, including the resolution of vertical and horizontal components of acceleration, velocity, and displacement.

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2.1.14

Qualitatively describe the effect of fluid resistance on falling objects or projectiles, including reaching terminal speed

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2.2 Forces
2.2.1

Explain what is meant by the statement: "objects can be considered as point particles from which the forces acting on them originate"

2.2.2

Identify the forces acting on an object and represent these as vectors by drawing and interpreting freebody diagrams

2.2.3

State the condition for translational equilibrium

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2.2.4

Determine the resultant force in different situations.

2.2.5

State Newton's first law of motion, and describe the consequences of Newton's first law of motion in terms of translational equilibrium.

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2.2.6

Solve problems involving translational equilibrium

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2.2.7

State and Explain Newton's second law of motion
hint: use words, not an equation. An equation is NOT acceptable as an answer. 
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2.2.8

State and explain Newton's third law of motion

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2.2.9

Use Newton's second law quantitatively and qualitatively to solve problems

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2.2.10

Identify force pairs in the context of Newton's third law (action/reaction pairs) and discuss examples.

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2.2.11

Describe qualitatively the effects of solid frictionboth static and dynamic friction

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2.2.12

Describe static and dynamic friction using the concepts of coefficients of friction.

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2.2.13

Solve problems involving static and dynamic friction and coefficients of friction.

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2.2.14

Calculate the weight of a body using the expression W = mg

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2.3 work, energy and power
2.3.1

Define work as it is applied to energy transfers or forces applied over a distance.

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2.3.2

Sketch and interpret forcedistance graphs to determine work done

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2.3.3

solve problems involving work done including cases where a resistive force acts.

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2.3.4

Outline what is meant by kinetic energy

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2.3.5

Outline what is meant by gravitational potential energy (near the Earth's surface)

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2.3.6

Outline what is meant by elastic potential energy

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2.3.7

Define/describe the concept of Power

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2.3.8

Solve problems involving power

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2.3.9

State the principle of conservation of energy

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2.3.10

Discuss the conservation of total energy within energy transformations

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2.3.11

Define the concept of efficiency

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2.3.12

Quantitatively describe efficiency in energy transfers

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2.4 Momentum and Impulse
2.4.1

Define linear momentum and impulse

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2.4.2

Express Newton's second law in terms of rate of change of momentum
i.e. Derive, state, and explain the principle of 
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2.4.3

Apply Newton's second law quantitatively and qualitatively in cases where mass is not constant
i.e. during a rocket launch as the fuel is consumed; when rain falls into an opentop train car as it's rolling 
2.4.4

Determine Impulse in a variety of contexts

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2.4.5

Determine the impulse due to a timevarying force by interpreting a forcetime graph.

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2.4.6

State the law of conservation of linear momentum

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2.4.7

Solve problems involving the conservation of linear momentum in isolated systems

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2.4.8

Distinguish between elastic collisions, inelastic collisions, and explosions. Compare each qualitatively and quantitatively.

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