10806152Technical Science 2
Course Information
Description
Second semester of a two-semester technical physics course. This semester emphasizes mechanics and electricity, and magnetism. The course begins with a study of vector analysis and proceeds through statistics and dynamics. Topics in mechanics include translational and rotational motion, forces, torque, work, energy, power and simple machines. Also included is a basic introduction to electricity and magnetism focusing on DC circuits and electric power. Emphasizes the application of scientific principles to the solution of problems encountered in modern technology.
Total Credits
4
Course Competencies
  1. Explore vectors
    Assessment Strategies
    on a written evaluation with a score of 70 or better
    on homework problems
    on written report of laboratory measurements, calculations, graphs and any included problems/questions with a score of 70 or better
    Criteria
    you differentiate between a vector quantity and a scalar quantity
    you manipulate forces, displacements, velocities, accelerations, etc. as vector quantities
    you determine the components of a given vector using both graphical and analytical (trigonometric) methods
    you find a resultant of two or more vectors using both graphical and analytical (trigonometric) methods

  2. Distinguish between translational equilibrium and friction
    Assessment Strategies
    on paper and pencil test with a score of 70 or better
    on homework problems
    on written report of laboratory measurements, calculations, graphs and any included problems/questions with a score of 70 or better
    Criteria
    you apply Newton's first and third laws of motion
    you demonstrate graphically that the first condition for equilibrium is satisfied
    you construct a free body diagram representing all forces acting on an object that is in translational equilibrium
    you solve for unknown forces by applying the first condition for equilibrium
    you interpret the equations for static and kinetic friction
    you solve equilibrium problems involving static and kinetic friction
    you demonstrate translational equilibrium of an object, measuring the applied forces
    you combine measured force vectors to verify the first condition for equilibrium graphically and analytically

  3. Differentiate between torque and rotational equilibrium
    Assessment Strategies
    on paper and pencil test with a score of 70 or better
    on homework problems
    on written report of laboratory measurements, calculations, graphs and any included problems/questions with a score of 70 or better
    Criteria
    you distinguish among torque, torque arm (moment arm), axis of rotation (pivot point), center of gravity
    you calculate the resultant torque about any axis, given the magnitudes, directions and positions of forces acting on an object
    you investigate the second condition for equilibrium
    you solve for unknown forces and/or distances by applying the first and second conditions for equilibrium
    you demonstrate rational equilibrium of an object measuring the applied forces and distances
    you calculate torques and forces in lab exercises to verify both conditions for plane equilibrium

  4. Investigate uniformly accelerated motion
    Assessment Strategies
    on paper and pencil test with a score of 70 or better
    on homework problems
    on written report of laboratory measurements, calculations, graphs and any included problems/questions with a score of 70 or better
    Criteria
    you use formulas for velocity and average acceleration
    you interpret the four general equations for uniformly accelerated motion
    you solve problems involving initial velocity, final velocity, acceleration, displacement, and time
    you solve acceleration problems involving free-falling bodies in a gravitational field
    you investigate velocity, acceleration and gravitational acceleration, measuring displacements and times
    you calculate average velocities and average accelerations

  5. Exmaine Newton's Second Law
    Assessment Strategies
    on a written evaluation with a score of 70 or better
    on homework problems
    on written report of laboratory measurements, calculations, graphs and any included problems/questions with a score of 70 or better
    Criteria
    you distinguish among force, mass and acceleration
    you investigate the units newton and slug
    you distinguish between mass and weight
    you determine mass from weight and weight from mass in a known gravitational field
    you draw a complete free body diagram for objects in motion with constant acceleration
    you solve problems involving force, mass and acceleration using Newton's Second Law
    you determine the acceleration due to gravity using the number to solve practical problems

  6. Differentiate between work, energy and power
    Assessment Strategies
    on a written evaluation with a score of 70 or better
    on homework problems
    on written report of laboratory measurements, calculations, graphs and any included problems/questions with a score of 70 or better
    Criteria
    you differentiate between units for work, potential energy, kinetic energy, and power
    you interpret formulas for work, potential energy, kinetic energy and power
    you interpret the equation describing the relationship between work done and change in kinetic energy
    you interpret the equation describing the principle of conservation of mechanical energy
    you solve problems involving work, kinetic and potential energy, and power
    you calculate kinetic energy and power from lab measurements determining the efficiency of lab power systems

  7. Explore uniform circular motion
    Assessment Strategies
    on a written evaluation with a score of 70 or better
    on homework problems
    on written report of laboratory measurements, calculations, graphs and any included problems/questions with a score of 70 or better
    Criteria
    you distinguish between frequency, period of rotation, centripetal acceleration and centripetal force
    you interpret formulas for velocity in a circular path, centripetal acceleration and centripetal force
    you solve problems involving velocity, frequency, period of rotation, centripetal acceleration and centripetal force
    you investigate centripetal acceleration and centripetal force
    you calculate centripetal force from lab measurements using it to verify the formula for centripetal force

  8. Explore rotation
    Assessment Strategies
    on a written evaluation with a score of 70 or better
    on homework problems
    on written report of laboratory measurements, calculations, graphs and any included problems/questions with a score of 70 or better
    Criteria
    you distinguish between angular displacement, angular velocity and angular acceleration
    you interpret formulas for angular velocity and uniform angular acceleration that are analogous to linear motion equations
    you solve problems involving angular displacement, angular velocity, angular acceleration and time
    you interpret formulas describing the relationships between linear motion in a circular path and rotation motion
    you solve problems involving linear motion in a circular path
    you define the moment of inertia of a body subject to rotation
    you interpret the formulas for Newton's Second Law for rotational motional and rotational kinetic energy
    you interpret the formulas for rotational work and power
    you solve problems involving moment of inertia, torque, angular acceleration, rotational kinetic energy, work and power
    you investigate Newton's Second Law for rotational motion
    you calculate angular acceleration and moment of inertia from lab measurements using it to verify Newton's Second Law for rotational motion

  9. Investigate simple machines
    Assessment Strategies
    on a written evaluation with a score of 70 or better
    on homework problems
    on written report of laboratory measurements, calculations, graphs and any included problems/questions with a score of 70 or better
    Criteria
    you investigate simple machines
    you interpret general formulas for efficiency, ideal mechanical advantage and actual mechanical advantage of a machine
    you explore the mechanical principles and operation of simple machines
    you interpret the applied formula for ideal mechanical advantage for each simple machines
    you solve problems involving simple machines, efficiency and mechanical advantage
    you construct and operate simple machines
    you calculate mechanical advantage and efficiency from lab measurements

  10. Investigate electricity and simple DC circuits
    Assessment Strategies
    on a written evaluation with a score of 70 or better
    on homework problems
    on written report of laboratory measurements, calculations, graphs and any included problems/questions with a score of 70 or better
    Criteria
    you use units for measuring quantity of electric charge
    you interpret Coulomb's Law for forces due to electric charges
    you explain the principle of an electric field
    you interpret the formula for electric field due to a point charge or two parallel charged plates
    you calculate electric force or electric field due to given electric charges
    you distinguish between electric potential, electric potential difference (voltage), current, and resistance
    you interpret Ohm's Law and the formula for electric power
    you solve problems involving current, voltage and power in simple DC series and parallel circuits
    you assemble and operate simple circuits
    you calculate effective resistance and circuit power from lab measurements

  11. Differentiate between magnetism and AC electricity
    Assessment Strategies
    on a written evaluation with a score of 70 or better
    on homework problems
    on written report of laboratory measurements, calculations, graphs and any included problems/questions with a score of 70 or better
    Criteria
    you differentiate between the principles of magnetic fields and magnetic field lines
    you determine the direction of the magnetic field produced by an electric current
    you determine the direction of the magnetic force on a current-carrying conductor in a known magnetic field
    you differentiate between the measurement of AC voltage and current
    you explain the operation of simple AC generators and motors
    you explain the operation of transformers
    you interpret formulas for AC electric power and transformer, voltage gain and efficiency
    you solve problems involving current, voltage and power in simple AC circuits and transformer circuits
    you assemble and operate simple AC circuits and transformer systems
    you calculate operating resistance, circuit power and efficiency from lab measurements