Topic 2: Mechanics
Data Booklet (equations)
Unit Notes
General Lab Information
Unit Notes
 Vectors and Vector Addition (ppt) (pdf)
 Intro to Mechanics and Relative Velocity (ppt) (pdf)
 Lab: Uniform Accelerated Motion
 graphing motion examples (ppt) (pdf)
 Kinematic Equations (ppt) (pdf)
 Gravitational Force and Fields (ppt) (pdf)
 Forces and Newton's Laws (ppt) (pdf)
 projectile motion (ppt) (pdf)
 projectile motion IB practice questions: markscheme
 Momentum and Impulse (ppt) (pdf)
 Collisions and Explosions (ppt) (pdf)
 Practice momentum problems (ppt)
 Energy, Work and Power (ppt) (pdf)
 Power and Efficiency (ppt) (pdf)
 IB Questions packet (markscheme)
General Lab Information
Topic 2.1 Motion 
Resources that may be helpful 
2.1.1

Define and distinguish between displacement, distance, and position

Textbook: p. 3438

2.1.2

Define and distinguish between velocity and speed

Textbook: p. 35, 3840

2.1.3

Define acceleration

Textbook: p. 4246

2.1.4

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

Textbook: p. 3440, 4245

2.1.5

Determine relative velocity in one and in two dimensions

Textbook: p. 8892

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. 
Textbook: p. 5056

2.1.7

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

Textbook: p. 4041, 45, 50

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.

Textbook: p. 4041, 45, 50

2.1.9

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

Textbook: p. 4649

2.1.10

Solve problems involving the equations of uniformly accelerated motion.

Textbook: p. 4649

2.1.11

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

Textbook: p. 6872

2.1.12

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

Textbook: p. 8088

2.1.13

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

Textbook: p. 8088

2.1.14

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

Textbook: p. 127129

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

Textbook: p. 119

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.

Textbook: p. 105106

2.2.6

Solve problems involving translational equilibrium

Textbook: p. 119121

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. 
Textbook: p. 107111

2.2.8

State and explain Newton's third law of motion

Textbook: p. 113115

2.2.9

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

Textbook: p. 110111

2.2.10

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

Textbook: p. 114

2.2.11

Describe qualitatively the effects of solid frictionboth static and dynamic friction

Textbook: p. 121126

2.2.12

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

Textbook: p. 123126

2.2.13

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

Textbook: p. 125127

2.2.14

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

Textbook: p. 108109

2.3 work, energy and power
2.3.1

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

Textbook: p. 141147

2.3.2

Sketch and interpret forcedistance graphs to determine work done

Textbook: p. 144149

2.3.3

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

Textbook: p. 145146

2.3.4

Outline what is meant by kinetic energy

Textbook: p. 150153

2.3.5

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

Textbook: p. 154157

2.3.6

Outline what is meant by elastic potential energy

Textbook: p. 154

2.3.7

Define/describe the concept of Power

Textbook: p. 166168

2.3.8

Solve problems involving power

Textbook: p. 166168

2.3.9

State the principle of conservation of energy

Textbook: p. 157161

2.3.10

Discuss the conservation of total energy within energy transformations

Textbook: p. 162164; class notes

2.3.11

Define the concept of efficiency

Textbook: p. 168169

2.3.12

Quantitatively describe efficiency in energy transfers

Textbook: p. 168169

2.4 Momentum and Impulse
2.4.1

Define linear momentum and impulse

textbook pp 181183, 186187

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 
textbook p185186

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 
181186

2.4.4

Determine Impulse in a variety of contexts

textbook p. 185189

2.4.5

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

textbook pp 186187

2.4.6

State the law of conservation of linear momentum

textbook pp 189195

2.4.7

Solve problems involving the conservation of linear momentum in isolated systems

textbook pp 189202

2.4.8

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

textbook pp 195202
