Displacement, Velocity, and Acceleration
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PHYSICS: CHAPTERS 1 thru 3 Displacement, Velocity, and Acceleration …we are going to review some basic concepts using a technique called the “Framing Routine.” According to GABE It’s time to review some of the key topics from mechanics… PHYSICS PHYSICS: CHAPTERS 1 thru 3 Displacement, Velocity, and Acceleration …get out your copy of the worksheet and write things down as we go… According to GABE It’s time to review some of the key topics from mechanics… PHYSICS The Framing Routine Physics Phrog Let’s start with the key topic. The graphic organizer that we will use looks like this: Key Topic Is about… Main Idea #1 Main Idea #2 Main Idea #3 ____________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ So what… The Framing Routine Physics Phrog The Key Topic is/are… Displacement, Velocity, and Acceleration …and displacement, velocity and acceleration are… …the fundamental components of mechanics and motion… The Framing Routine Key Topic… Displacement, Velocity, and Acceleration …are …the fundamental components of mechanics and motion… ____________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ So what… The Framing Routine Physics Phrog What are some important details about this topic? The first main topic is… Distance and Displacement • Distance is a measure of how far something has traveled. • Displacement is measure of how far something is from its original starting position. • Units for distance and displacement are… Meters… Kilometers… Feet… Miles… • Distance is a scalar quantity…which means that a direction IS NOT necessary. • Displacement is a vector quantity…which means that a direction IS necessary. The Framing Routine Physics Phrog What are some important details about this topic? The first main topic is… Distance and Displacement • If motion is a single direction, these terms are often used interchangeably. • _______________________________________ • _______________________________________ • _______________________________________ • _______________________________________ • _______________________________________ The Framing Routine Key Topic… Displacement, Velocity, and Acceleration …are…the fundamental components of mechanics and motion… Distance and Displacement •Distance is a measure of how far something has traveled. •Displacement is measure of how far something is from its original starting position. •Units for distance and displacement are… •Distance is a scalar quantity…which means that a direction IS NOT necessary •Displacement is a vector quantity…which means that a direction IS necessary. •If motion is in a single direction, these terms are often used interchangeably. •Etc. So what… ____________ ____________ ____________ ____________ ____________ ____________ ____________ ____________ The Framing Routine Physics Phrog What are some important details about this topic? The second main topic is… Speed and Velocity • Speed is measure of the distance traveled in a given amount of time. • Speed is a rate or how fast something is moving. • Speed is a scalar quantity…no direction is necessary. • Velocity is measure of the displacement in a given amount of time. • Velocity is a vector quantity…a direction is necessary. • If motion is in a single direction, the terms speed and velocity are often used interchangeably. The Framing Routine Physics Phrog What are some important details about this topic? The second main topic is… Speed and Velocity • Units for speed and velocity are… Meters/second… Feet/second… Kilometers/hour (kph)… Miles/hour (MPH)… • The basic equation for calculating speed or velocity is: d v t • _______________________________________ • _______________________________________ • _______________________________________ The Framing Routine Key Topic… Displacement, Velocity, and Acceleration …are…the fundamental components of mechanics and motion… Distance and Displacement Speed and Velocity •Distance is a measure of how far something has traveled. •Displacement is measure of how far something is from its original starting position. •Units for distance and displacement are… •Distance is a scalar quantity…which means that a direction IS NOT necessary •Displacement is a vector quantity…which means that a direction IS necessary. •If motion is in a single direction, these terms are often used interchangeably. •Etc. •Speed is measure of the distance traveled in a given amount of time. •Speed is a rate or how fast something is moving. •Speed is a scalar quantity… •Velocity is measure of the displacement in a given amount of time. •Velocity is a vector quantity… •If motion is in a single direction, the terms speed and velocity are often used interchangeably. •Units for speed and velocity are… •Basic equations… •Etc. So what… ____________ ____________ ____________ ____________ The Framing Routine Physics Phrog What are some important details about this topic? The third main topic is… Acceleration and Gravity • Acceleration is the rate at which velocity changes. • Acceleration is a vector quantity…direction is important. • When an object increases velocity, it accelerates. • When an object decreases velocity, it decelerates. • Units for acceleration are… Meters/second2… feet/second2… • The acceleration due to gravity is called “g”. • The value of g on Earth is…9.8 m/s2 or 32ft/s2. The Framing Routine Physics Phrog What are some important details about this topic? The third main topic is… Acceleration and Gravity • When an object is only being acted on by gravity, it is said to be in free-fall. • In the absence of gravity, all objects are accelerated at the same rate. • Equations that relate distance, velocity, and acceleration include: v f vi at v 2f vi2 2ad 1 2 d d i vi t at 2 The Framing Routine Physics Phrog The third main topic is… Acceleration and Gravity • _______________________________________ • _______________________________________ What are some important details about this topic? • _______________________________________ • _______________________________________ • _______________________________________ • _______________________________________ The Framing Routine Key Topic… Displacement, Velocity, and Acceleration …are…the fundamental components of mechanics and motion… Distance and Displacement Speed and Velocity Acceleration and Gravity •Distance is a measure of how far something has traveled. •Displacement is measure of how far something is from its original starting position. •Units for distance and displacement are… •Distance is a scalar quantity…which means that a direction IS NOT necessary •Displacement is a vector quantity…which means that a direction IS necessary. •If motion is in a single direction, these terms are often used interchangeably. •Etc. •Speed is measure of the distance traveled in a given amount of time. •Speed is a rate or how fast something is moving. •Speed is a scalar quantity… •Velocity is measure of the displacement in a given amount of time. •Velocity is a vector quantity… •If motion is in a single direction, the terms speed and velocity are often used interchangeably. •Units for speed and velocity are… •Basic equations… •Etc. •Acceleration is the rate at which velocity changes. •Acceleration is a vector quantity… •Acceleration versus deceleration… •Units for acceleration are… •The acceleration due to gravity is called “g”. •The value of g on Earth is…9.8 m/s2 or 32ft/s2. •When an object is only being acted on by gravity, it is said to be in free-fall. •In the absence of gravity, all objects are accelerated at the same rate. •Equations that relate distance, velocity, and acceleration are… •Etc. So what… The Framing Routine Physics Phrog So what… Displacement, velocity, and acceleration describe the basic properties of motion. The rest of physics is based on these ideas. The Framing Routine Key Topic… Displacement, Velocity, and Acceleration …are…the fundamental components of mechanics and motion… Distance and Displacement Speed and Velocity Acceleration and Gravity •Distance is a measure of how far something has traveled. •Displacement is measure of how far something is from its original starting position. •Units for distance and displacement are… •Distance is a scalar quantity…which means that a direction IS NOT necessary •Displacement is a vector quantity…which means that a direction IS necessary. •If motion is in a single direction, these terms are often used interchangeably. •Etc. •Speed is measure of the distance traveled in a given amount of time. •Speed is a rate or how fast something is moving. •Speed is a scalar quantity… •Velocity is measure of the displacement in a given amount of time. •Velocity is a vector quantity… •If motion is in a single direction, the terms speed and velocity are often used interchangeably. •Units for speed and velocity are… •Basic equations… •Etc. •Acceleration is the rate at which velocity changes. •Acceleration is a vector quantity… •Acceleration versus deceleration… •Units for acceleration are… •The acceleration due to gravity is called “g”. •The value of g on Earth is…9.8 m/s2 or 32ft/s2. •When an object is only being acted on by gravity, it is said to be in free-fall. •In the absence of gravity, all objects are accelerated at the same rate. •Equations that relate distance, velocity, and acceleration are… •Etc. So what… Displacement, velocity, and acceleration describe the basic properties of motion. The rest of physics is based on these ideas. FORMULAS FOR-m-U-las EQUATIONS LIST The following basic equations are used in many different areas of physics… d v 2 2 t v f vi 2ad v f vi at d d v t 1 at 2 i i 2 PHYSICS IS PHUN!
