IB Syllabus Structure
What does the abbreviation IA stand for?
Internal Assessment
Define the displacement of an object.
The change in position of the object.
What is the SI unit for angular displacement?
Radians
The moment of inertia is a measure of __________.
How hard it is to rotate an object or change its speed of rotation.
What is the unit for measuring work?
Joules.
What's topic A4 about?
Rigid body mechanics
How can instantaneous velocity be deduced from a dispacelement time graph?
Draw a tangent at the point of interest and work out its gradient.
What's the name of the Greek symbol that is commonly used to represent angular velocity?
Omega (lower case)
This formula, mr2, calculates_____________.
The moment of inertia.
What's the other name for heat energy?
Thermal energy.
What type of questions does Paper 1B have?
Data-based
What does the area under a distance-time graph represent?
Which physical quantity has the same units as angular velocity?
Angular speed or angular frequency
An object's total kinetic energy is the sum of its _____________plus___________________.
translational kinetic energy, rotational kinetic energy.
What particles are found in the nucleus of an atom?
Hadrons (protons, neutrons or quark combinations).
How long will the official IB paper 2 physics exam be?
2 hours and 30 minutes.
Under what condition can the equation v2=u2+2as be used?
Uniform/ constant acceleration/ linear motion
What is the difference between these two types of acceleration: a=v2/r and a=Δv/Δt?
1st one is centripetal and the 2nd is tangential.
The product of the magnitude of a force and the perpendicular distance between the line of action of a force and the pivot.
How old is the Universe in, years?
About 14 billion.
Your final IB physics grade will be weighted at ______% external assessment and ________% internal assessment.
80 and 20
What is kinematics?
The study of motion without considering its causes.
Angular acceleration of an object can be given by the ratio of the ___________acceleration to the ______________.
Tangential acceleration, distance between the axis of rotation and the object.
What equilibrium is achieved when the resultant torque on a body is zero?
Rotational.
What triggered 'The Big Bang' that created the Universe?
This is not known (with evidence).