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Pre-requisite

Course description

The goal of physics is to describe the physical world using a small number of basic assumptions; concepts; and equations. In this course; emphasis is placed on relating physics to the everyday world.

This course will explore the concepts involved with motion in one and two dimensions; forces; work and energy; momentum and collisions; circular motion; and gravitation. Throughout the course students will learn to recognize the importance of the laws of thermodynamics. Students will study the characteristics of waves and describe the behavior of waves; with emphasis on light and sound. Students will also learn about the relationship between electricity and magnetism. Finally; students will gain a basic understanding of atomic physics. This course is designed to enhance the understanding and appreciation of concepts that are fundamental to the study of physics.

Students are required to participate in virtual laboratory investigations throughout this class that are within the course content and online. Labs are an important part of the scientific process; and understanding the scientific process is one of the most important parts of this class. Students will gain a detailed understanding of the scientific process and lab procedures by performing labs related to physics concepts.
Lab Assignment: Free-Fall Acceleration Laboratory:
Introduction
This lab will demonstrate the principles behind free-fall acceleration. Any object that is thrown or dropped in the presence of gravity experiences a constant acceleration. This acceleration is called free-fall acceleration or acceleration due to gravity.
Objectives:
1. Analyze motion in terms of the change in distance during a given period of time.
2. Summarize the relationships between distance and time for moving objects.
3. Interpret graphs relating distance and time for moving objects.
Lab Assignment: Projectile Motion Laboratory:
Introduction

This lab will demonstrate the principles behind projectile motion. An object that has constant horizontal velocity and constant vertical acceleration is a projectile.
Objectives
1. Implement experimental procedures to understand projectile motion.
2. Generate data about the horizontal and vertical motion of a projectile.
3. Compare the motion of projectiles launched at different heights and initial velocities.
4. Interpret and evaluate graphs of projectile motion.
Lab Assignment: Forces and Friction Laboratory
Introduction
This lab will demonstrate the principles behind forces and friction. Friction is a force that works in the opposite direction to an applied force. Static friction is the friction that occurs when an object is not moving. Kinetic friction is the friction that occurs once an object starts moving.
Objectives:
1. Compare the coefficients of static and kinetic friction for the wooden and glass surface.
2. The value of the static friction force and kinetic friction force increases with the weight (Normal force) of the blocks; but the coefficient of static and kinetic friction remains the same for the given surface.
3. Evaluate the relationships between mass; acceleration; and force.
Lab Assignment: Conservation of Mechanical Energy Laboratory: Introduction

This lab will demonstrate the principles behind the law of conservation of mechanical energy. Mechanical energy is never created nor destroyed; but it can be converted from one form to another. In this lab; you will study what happens when mechanical energy is converted between elastic potential energy and gravitational potential energy using a mass on a spring.
Objectives:
1. Determine the spring constant of a spring.
2. Calculate elastic potential energy.
3. Calculate gravitational potential energy.
4. Evaluate whether mechanical energy is conserved in an oscillating spring.
Lab Assignment: Momentum Laboratory: Introduction
This lab demonstrates conservation of momentum. Momentum is the product of the mass and velocity of a moving object. Studying momentum helps physicists understand the relationship between the motions of two interacting objects.
Objectives:
1. Generate data for both elastic and inelastic collisions
2. Calculate the momentum of each object in different collisions
3. Evaluate data to verify the law of conservation of momentum.
Lab Assignment: Machines and Efficiency Laboratory: Introduction

This lab demonstrates the principles of mechanical advantage and efficiency with regard to simple machines. Mechanical advantage is the ratio of output force to input force. Efficiency is the ratio of work output to work input. Studying mechanical advantage and efficiency helps physicists design machines that are most effective at doing their job.
Objectives:
1. Measure the work input and output of various machines.
2. Calculate the efficiency of each machine.
3. Compare machines based on their efficiencies; and determine what factors affect efficiency.
Lab Assignment: Thermal Equilibrium Laboratory: Introduction
In this lab; you will place two objects with different temperatures next to each other. You will observe how different materials and different masses affect the rate of heat flow. Thermal equilibrium occurs as a result of the heat energy transfer between two objects with different temperatures that are in physical contact with each other. Heat is defined as a transfer of energy due to difference in temperatures. With this concept in mind; we are going to apply conservation of energy in an ideal system and assume no losses for this lab. In this lab; you will study how thermal equilibrium occurs when two objects of different temperatures are placed in physical contact with each other.
Objectives:
1. Generate data on the time required to achieve thermal equilibrium between the two objects.
2. Evaluate the different equilibrium temperatures of the objects based on composition; mass and time.
Lab Assignment: Piston Laboratory: Introduction
This lab will demonstrate some of the principles behind the work done on or by a gas. As a gas changes volume; work is done. In this lab; you will study how work is done by a gas in a piston.
Objectives:
1. Generate data on how changes in the volume of a gas affect the behavior of a piston.
2. Evaluate data generated by experimentation on the piston in terms of work and energy.
Lab Assignment: Simple Harmonic Motion Laboratory: Introduction
This lab will demonstrate the principles of simple harmonic motion. It is an oscillating motion in which the restoring force is proportional to the displacement. In this lab; you will study the simple harmonic motion using a pendulum.
Objectives:
1. Construct simple pendulums; and find their periods.
2. Generate values for ag; the free fall acceleration.
3. Evaluate the relationships between length and period for different pendulums.
Lab Assignment: Wave Laboratory: Introduction
This lab will demonstrate some of the principles of waves. A mechanical wave is the motion of a disturbance to a medium. In this lab; you will study waves through a virtual string of beads.
Objectives:
1. Compare the behavior of a wave on a string with changes in frequency and amplitude.
2. Evaluate the relationships between frequency; amplitude; and wavelength in a wave.
Lab Assignment: Sound Laboratory: Introduction
Now is the time for the laboratory activity for ?sound?. This lab will demonstrate some of the principles of sound. Sound waves create regions of air that are compressed and rarefied. In this lab; you will study the speed at which these sound waves travel.
Objectives:
1. Develop two methods to measure the speed of sound in air.
2. Evaluate the relationship between frequency and the speed of sound.
Lab Assignment: Converging Lenses Laboratory: Introduction
This lab will demonstrate some of the principles of converging lenses. Converging lenses can produce both real and virtual images. In this lab; you will study image formation using converging lenses.
Objective:
1. Evaluate the relationships between the positions of the lens and the object; and the position and the size of the image.
Lab Assignment: Electrostatics Laboratory: Introduction
This lab will demonstrate some of the principles of electrostatics. When two different materials are rubbed together; electric charges accumulate on both objects. In this lab; you will study how charges accumulate on objects and distinguish between types of charges.
Objectives:
1. Evaluate the properties of static electricity.
2. Categorize different types of electric charges.
Lab Assignment: Charges and Fields Laboratory: Introduction
This lab will demonstrate some basic ideas of the variation of electric field strength with the distance of the charge; variation of electric field strength for different charges and the variation of equipotential at a distance due to different charges. In this lab; you will study how electric potential and electric field strength are related to each other.
Objectives:
1. Determine the effects of changing distance on the electric field strength produced by the charge and the effects of changing charge on the electric field strength at a particular distance.
2. Determine the effects of changing the charges on the value of the equipotential.
3. Appraise the relationships between electric field and electric potential for any charge.
Lab Assignment: Ohm?s Law Laboratory: Introduction
This lab will verify and demonstrate Ohm?s Law. In this lab; you will study how current; voltage; and resistance are all related to each other and also determine the unknown resistance.
Objectives:
1. Verify Ohm?s Law; .
2. Determine the value of unknown resistance.
Lab Assignment: Ohm?s Law And Factors Affecting the Resistance Laboratory : Introduction
This lab will demonstrate how various factors affect the resistance of the material of the coil. In this lab; you will study how different factors such as the length; area; and the temperature would affect resistance individually. You will also determine the temperature coefficient of resistance of the material.
Objectives:
1. To understand the fact that resistance of the coil increases with the increase of the length.
2. To understand the fact that resistance of the coil decreases with the increase of area of cross?section.
3. To determine the value of temperature coefficient of resistance ??? of the material of the coil.
Lab Assignment: Resistors in Series and in Parallel Laboratory: Introduction
This lab will demonstrate some of the principles of electric circuits. In this lab; you will study resistors in series and in parallel circuits.
Objectives:
1. Measure current in and potential difference across resistors in series and in parallel.
2. Determine the unknown resistances of two resistors.
3. Compare equivalent resistances.
4. Evaluate the relationships between potential difference; current; and resistance.
Lab Assignment: Magnetic Field of a Solenoid Laboratory: Introduction
This lab will demonstrate some of the principles of magnetic fields. When a current runs through a wire; a magnetic field is generated. In this lab; you will study the relationship between the magnitude of the magnetic field and the number of loops in a solenoid.
Objectives:
1. Explore the magnitude of the magnetic fields of solenoids of varying numbers of loops.
2. Evaluate the relationship between the magnitude of the magnetic field of a conducting wire and the distance from a solenoid.

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• LPHY
• Physics

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Online / Virtual