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PHYSICS 1L03 Study Guide - Final Guide: Circular Motion, Electric Potential Energy, Elastic Collision

Course Code
Christine Wilson
Study Guide

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Exam Review: Main Topics
UNIT 1: Dynamics
1. Know terminology i.e. uniform motion, uniform acceleration, range, inertia, net force, static friction,
kinetic friction, apparent weight, period, frequency, centripetal force, etc.
2. Be able to solve 1D and 2D (motion in a plane) problems including projectile motion and relative
motion, by vector + and - , using vector diagrams, vector components, and algebraic methods
3. Know Newton’s 3 Laws of Motion and apply to motion problems
4. Be able to analyse the various forces acting on object in a system (inclined planes, pulleys) and the
relationship between the forces to solve for Fnet, FA, FN, FT, Ff, a, v2, t, etc. using FBDs, vector
components, and algebraic equations
5. Distinguish between reference systems (inertial and non-inertial) with respect to the real and
apparent forces acting within such systems (e.g. roller coaster)
6. Be able to analyse, the forces acting on and the acceleration experienced by an object in uniform
circular motion in horizontal and vertical planes, and use FBDs and algebraic equations to solve
related problems
7. Be able to solve uniform circular motion problems involving banked curves
8. Analyse, in qualitative and quantitative terms, the relationships between centripetal acceleration,
centripetal force, radius of orbit, period, frequency, mass, and speed of an object in uniform circular
Unit 2: Energy and Momentum
1. Know terminology i.e. work, kinetic energy, gravitational potential energy, elastic potential energy,
impulse, momentum, elastic collision, inelastic collision, etc.
2. Analyse and explain the relationships/energy transformations between work, gravitational potential
energy, kinetic energy, thermal energy, and elastic potential energy in 1D and 2D and solve using
the Law of Conservation of Energy (e.g. a bouncing ball, a simple pendulum, a bungee jump)
3. Describe and explain Hooke’s law, and explain the relationships between the law, work, and elastic
potential energy in a system of objects
4. Describe and explain the simple harmonic motion (SHM) of an object, and explain the relationship
between SHM, Hooke’s law, and uniform circular motion
5. Analyse the relationships between mass, velocity, kinetic energy, momentum, and impulse for a
system of objects moving in 1D and 2D (e.g. an off-centre collision of two masses on an air table,
two carts recoiling from opposite ends of a released spring), and solve problems
6. Distinguish between elastic and inelastic collisions
7. Explain the implications of the laws of conservation of energy and conservation of momentum with
reference to mechanical systems (e.g. damped harmonic motion in shock absorbers, safety systems
in vehicles)
8. Be able to analyse and solve problems for elastic and inelastic collisions in 1D and 2D using the Laws
of Conservation of Momentum and Conservation of Energy
UNIT 3: Gravitational, Electric, and Magnetic Fields
1. Know terminology i.e. field, potential energies, electric potential, current, solenoid, etc.
2. Compare and contrast the corresponding properties of gravitational, electric, and magnetic fields
(e.g. the strength of each field; the relationship between charges in electric fields and masses in
gravitational fields, the constants for each)
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