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Introductory physics

Mouse Trap Reflection

Subject: 
Physics
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Physics
Classical mechanics
Physical quantities
Introductory physics
Mousetrap car
Inertia
Mouse
Force
Automobile handling

Mouse Trap Reflection Construction How it was made: The car was made by cutting out cardboard for the body that would fit the mouse trap on top of it. The wheels were made out of cardboard, larger in the back and smaller in the front. Dowel rods were used as the axels and cut the straw in half to make it so the axel would be able to spin. Changes: One change that was made was to make the body longer. This change was made so a lever could be used on the mouse trap and be able to get the wheels to move. The results of the change were that the mouse trap and lever would be able to move the wheels.

Friction Lab Summary

Subject: 
Physics
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Physics
Classical mechanics
Introductory physics
Force
Friction
Tribology
Mass
Rolling

Friction Summary Questions: How does mass affect frictional force? How does the surface affect frictional force? Procedure Sliding Set your block on a flat surface Put 2 weights on top of the block Put the 5N weight on top of the block Connect the spring scale to the block Pull the spring scale Use the spring scale to measure the force Write down the data Repeat steps 1-7 with 4 weights then 6 weights Rolling Set 20 colored pencils on a flat surface Set the block on top of the colored pencils in the back Put 2 weights on top of the block Put the 5N weight on top of the block Connect the spring scale to the block Pull the spring scale Use the spring scale to measure the force Write down the data Repeat steps 1-8 with 4 weights then 6 weights Static

Velocity Review

Subject: 
Physics
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Physics
motion
Classical mechanics
kinematics
Introductory physics
Physical quantities
Velocity
Motion graphs and derivatives
Speed
Acceleration
Displacement
Linear motion

Name ______________________________ Date _________ Mr. Carcich Physics Velocity Test Review You need to know: The definition of kinematics. The difference between: Vectors and Scalars; and examples of each. Distance and Displacement; which is scalar? Which is vector? Speed and Velocity; which depends on direction also? **Can your speed remain constant but your velocity be changing? Explain. Two ways to have a constant velocity? Three ways to change your velocity? What is your acceleration when your velocity is constant? Graphing Derive data from, compare, and interpret the following graphs: Distance vs. Time Graph Slope = ___________ Horizontal line = ___________________ Linear Direct = ______________________________

Work Power Machines Review

Subject: 
Physics
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Physics
Mechanical engineering
Machines
Introductory physics
Mechanics
kinematics
Simple machine
Mechanical advantage
Work
Wheel and axle
Force
Screw

Name ______________________________ Date ____ Mr. Carcich CP Physics Work/Power/Machines Review Be sure you understand completely the following concepts. You need to know: Work The definition and units for work. What is 1 Joule equivalent to? Work is done when a force causes an object to be displaced 1 J= How can you tell if work is being done? What are the two requirements for work? How must they be acting? (Parallel or perpendicular) Work is done only when the force is parallel to the dispalcement Object must be displaced for work to take place When will work be positive? When will work be negative? Positive: force and displacement in same direction Negative: force and displacement in different directions How can you increase the amount of work you do?

Atomic Structure

Subject: 
Chemistry
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Physics
Chemistry
Atomic physics
Quantum chemistry
Rotational symmetry
Introductory physics
Quantum electrodynamics
Bohr model
Introduction to quantum mechanics
Atomic orbital
electron
Principal quantum number
Technology

The Wave Nature of Light All forms of NRG/Light have characteristic wavelengths (?) and frequency (?). Inversely related ? ? = c (the speed of light) Light visible to the naked eye exists as a tiny portion of the electromagnetic spectrum Max Planck Transfer of energy was not continuous Only came in certain values (quantized) ?E = h? h = Planck?s constant = 6.626 x 10-34 Js Packets of energy (quantum Albert Einstein Proposed that electromagnetic radiation was quantized and made up of a stream of particles Photons The dual nature of light ? = h/mv (deBroglie equation) Electrons as Waves Louis de Broglie (1924) Applied wave-particle theory to electrons electrons exhibit wave properties QUANTIZED WAVELENGTHS

Bob Jones PPT Notes -- Chapter 10c

Subject: 
Chemistry
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Chemistry
Physics
Physical quantities
Physical chemistry
thermodynamics
Introductory physics
Amount of substance
Gas laws
Stoichiometry
Gas constant
Avogadro's law
Mole
Environment

Gases and the Mole Gay-Lussac formulated the law of combining volumes. Law of Combining Volumes Gases at the same temperature and pressure react with one another in volume ratios of small whole numbers. Law of Combining Volumes Example 1: H2 + Cl2 2HCl 1 L + 1 L 2 L Law of Combining Volumes Example 2: 2H2 + O2 2H2O 2 L + 1 L 2 L Avogadro?s law The volume of a gas, maintained at a constant temperature and pressure, is directly proportional to the number of moles of the gas. Molar Volume the volume that a mole of gas occupies at standard temperature and pressure Molar Volume 1 mole of ANY gas at STP occupies 22.4 L. Sample Problem 1 What volume would 7 moles of carbon dioxide occupy at STP? = 157 L CO2 7 mol CO2 22.4 L 1 mol Change 228 L of O2 at STP to moles. 470 moles 426 moles

nope

Subject: 
Art History
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Physics
Force
Physical quantities
Introductory physics
Aerodynamics
Fluid dynamics
Work
Net force
Lift
Buoyancy

WORK, ENERGY, AND POWER Objective: 82 ? Describe the relationship between force, displacement, and work change in an object's motion is related to both force and how long it acts net force x distance = WORK WORK = the product of the NET FORCE an object and the DISTANCE through which the object is moved the heavier the load or higher something is lift, the more we do WORK IS DONE WHEN A FORCE ACTS ON AN OBJECT AND THE OBJECT MOVES IN TEH DIRECTION OF THE FORCE EXAMPLE: If we lift TWO loads up one story, we do TWICE as much WORK as we would in lifting one load the same distance because the FORCE needed to lift TWICE the weight is twice as great, and if we lift one load two stories instead of one story, we do twice as much work because the DISTANCE is twice as great

nope

Subject: 
Art History
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Physics
Force
Physical quantities
Introductory physics
Aerodynamics
Fluid dynamics
Work
Net force
Lift
Buoyancy

WORK, ENERGY, AND POWER Objective: 82 ? Describe the relationship between force, displacement, and work change in an object's motion is related to both force and how long it acts net force x distance = WORK WORK = the product of the NET FORCE an object and the DISTANCE through which the object is moved the heavier the load or higher something is lift, the more we do WORK IS DONE WHEN A FORCE ACTS ON AN OBJECT AND THE OBJECT MOVES IN TEH DIRECTION OF THE FORCE EXAMPLE: If we lift TWO loads up one story, we do TWICE as much WORK as we would in lifting one load the same distance because the FORCE needed to lift TWICE the weight is twice as great, and if we lift one load two stories instead of one story, we do twice as much work because the DISTANCE is twice as great

thing

Subject: 
English
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Physics
Force
Physical quantities
Introductory physics
Aerodynamics
Fluid dynamics
Work
Net force
Lift
Buoyancy

WORK, ENERGY, AND POWER Objective: 82 ? Describe the relationship between force, displacement, and work change in an object's motion is related to both force and how long it acts net force x distance = WORK WORK = the product of the NET FORCE an object and the DISTANCE through which the object is moved the heavier the load or higher something is lift, the more we do WORK IS DONE WHEN A FORCE ACTS ON AN OBJECT AND THE OBJECT MOVES IN TEH DIRECTION OF THE FORCE EXAMPLE: If we lift TWO loads up one story, we do TWICE as much WORK as we would in lifting one load the same distance because the FORCE needed to lift TWICE the weight is twice as great, and if we lift one load two stories instead of one story, we do twice as much work because the DISTANCE is twice as great

M review

Subject: 
Physics
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Physics
Physical quantities
Classical mechanics
Introductory physics
Rotation
motion
Rotation around a fixed axis
Angular momentum
Force
Momentum
Acceleration
Circular motion

1 Position(x, y or z) Displacement (?x, ?y or ?z) Change in position. Depends only on initial and final positions, not on path. Includes direction. ?x = ?vdt Velocity (v) Displacement per unit time Average velocity vave = ?x/?t Instantaneous velocity v = dx/dt ?v = ?adt Acceleration (a) A change in velocity: speeding up, slowing down, or turning. Average acceleration aave = ?v/?t Instantaneous acceleration a = dv/dt Problem: Acceleration (B-1993) 1. In which of the following situations would an object be accelerated? I. It moves in a straight line at constant speed. II. It moves with uniform circular motion. III. It travels as a projectile in a gravitational field with negligible air resistance. (A) I only (B) III only (C) I and II only

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