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AP C Forces Unit Guide

Madelynn Klein

Created on October 14, 2024

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Transcript

Who am I?

CONTACT

Summary Video

What are we going to learn?

uNIT GUIDE

Dynamics (Forces) AP Physics

Useful resources

Schedule

How are we going to learn?

Prior Knowledge

How will we be evaluated?

Who I am

Ms. Klein I teach all physics on campus and have taught integrated science.

How to reach me

Grade concerns

Email: Madelynn.klein@guhsdaz.orgRM: K302

My door is always open if you areconcerned about your grades! I will do my best to help you achieve your academic goals, but you still need to put in the work!

When is tutoring

Wed & Thurs: After school till 3:35pm WLC & before school everyday

What are we going to learn?

Subtopics in Dynamics

Systems and Center of Mass

Types of Forces

Newton's 3 Laws

Examples of Forces in 2D

Circular Motion

Forces aren't stuck in linear motion!

Multiple objects can interact in multiple dimensions whihc affects the motion.

Forces start when multiple objects interact with one another.

Different types of interactions have different names and results.

Newton came up with 3 Laws that help dsecribe object interactions.

Timeline

Types of Forces

Newton's 3 Laws

THROUGHOUT the unit learning about specific types of interactions

THROUGHOUT the unit studying Newton's Laws of Motion

Systems and Center of mass

Dynamics

working with multiple objects interacting at once

Circular Motion

2D Forces

THROUGHOUT the unit working in multiple dimensions

learning about how objects move in circles based on our understanding of forces.

Systems

Topics include difference between objets and systems, calculating center of mass, understanding motion of the center of mass

  • Determining the system
  • Locating its center of mass

Timeline: 2-3 Days

What are we going to need?

Skills that are necessary to be successful in this unit

  • Vector math
    • Basic trigonometry skills
  • Algebra skills
    • PEMDAS and SADMEP (inverse operations :) )
    • Arithmetic skills
  • Kinematic equations (last unit)

Circular Motion

"All forces share certain common characteristics when considered by observers in inertial reference frames. An observer in a reference frame can describe the motion of an object using such quantities as position, displacement, distance, velocity, speed, and acceleration." -AP Classroom

  • Non-linear motion described with linear terms.
  • Description of circular orbits (w/ math)
  • Discussion of non-uniform orbits
Summary VIDEO
How are we going to learn?

Learning Activities that I use the most

  • Group Practice
    • Worksheets as well as practice problems with the whole class
  • Independent Practice
    • Worksheets
  • Quizzes
  • Labs and hands-on activities
    • Labs include a formal lab write up (I will provide a template)
    • Activites are 1-pagers
  • Direct instruction
    • Used to introduce new topics

Newton's 3 Laws

"Objects and systems have properties of inertial mass and gravitational mass that are experimentally verified to be the same and that satisfy conservation principles." "A force exerted on an object is always due to the interaction of that object with another object." -AP Classroom

  • Inertia
  • Force and acceleration
  • Force pairs
  • Applications
Tentative Schedule
Useful resources

Outside resources that are going to be helpul as you study

  • https://physics.info/motion-graphs/problems.shtml
    • Online textbook with practice
  • https://www.physicsclassroom.com
  • https://www.flippingphysics.com/ap-physics-1.html
  • https://www.aplusphysics.com/ap1/ap1-supp.html
    • Practice problems with explanations
  • http://hyperphysics.phy-astr.gsu.edu/hbase/index.html#mechcon

Flipping Physics

Videos 2-4 introduction to force, mass. and weightV

Link

2D Forces

"Free-body diagrams are useful tools for visualizing forces being exerted on a single object and writing the equations that represent a physical situation." -AP Classroom

  • Balanced v. Unbalnced in x- or y-dimensions
  • Net force and direction
  • Description of motion

Flipping physics

Videos on Systems and Center of Mass

Link

Circular Motion

Changing our POV Videos 10-26 for circular motion (anything before is for rotational kinematics later in the year)

Link

How will we be evaluated?

Grade break down (also found on syllabus) Extra Credit is offered at my discretion

Newton's 3 Laws of Motion

Videos 7-16 are related to Newton's 3 Laws and their applications.

Link

Forces in 2D

Videos 35-40 focus on inclined forces and other 2D applications.

Link

Forces

"At the macroscopic level, forces can be categorized as either long-range (action-ata-distance) forces or contact forces." -AP classroom

  • Weight Lab
  • Spring Lab
  • Atwoods/Friction Lab
  • Naming all forces
What are we going to learn?

The second unit of AP Physics is Dynamics and it covers Newton's 3 Laws of Motion

  • The physics
    • Newton's 3 laws of motion
    • Different types of forces and what they do
    • Working with vectors
  • How to be a physicist
    • Taking measurements
    • Identifying variables
    • Writing procedures
    • Communicating results