Download Phy221 E1Review

After successfully completing Physics 221, you should be able to:
I.
II.
III.
IV.
Solve problems utilizing mathematical equations characterizing areas of classical
mechanics.
Perform experiments related to classical mechanics.
Develop written analyses of solution techniques.
Relate lab observations to scientific models.
By Demonstrating understanding and skill in the following areas:
1. Issues of measurement and calculation.
a. Convert units using conversion factors.
b. Check solutions and equations using Dimensional Analysis.
c. Check solutions using estimation.
d. Round to the correct number of significant figures.
e. Select an appropriate Value and Uncertainty for a measured or derived
quantity and back up your selection with appropriate reasoning. Report using
the both absolute uncertainty and relative uncertainty.
2. Vectors and vector operations:
a. Convert between the component description of a vector, polar format, and unit
vector format for that vector.
b. Perform the following operations on any two vectors given in any format:
a. Multiply by a scalar
b. Add
c. Subtract
d. Dot product (scalar product)
e. Cross product (vector product)
c. Using a tabular format, add and subtract any two vectors using the component
(calculation) method.
d. Understand that position, displacement, velocity and acceleration are vectors.
Know how to manipulate them to find related vector quantities.
3. Kinematics in 1-dimension. Observe, Analyze and Report the Motion of an Object
a. Operationally define position, displacement, time instant, time interval (elapsed
time), average velocity, and average acceleration.
b. Explain the difference between average velocity, change in velocity and
instantaneous velocity. Be able to do the same for acceleration.
Phy 221: Outcomes by Section
Eyres
rev. 7/12
c. Use motion (kinematic) quantities and equations, motion diagrams, and motion
graphs to solve motion problems.
d. Draw motion graphs from lab data or other representations of motion and interpret
the meaning of coordinates, intercepts, slope and area.
e. Given an equation describing the motion of an object, utilize differentiation
and/or integration to represent the other kinematic variables as functions of time.
4. Kinematics in multiple dimensions: Analyze and represent.
a. Find the vector representation of an object’s position, velocity, and acceleration,
b. Use the kinematic (motion) equations in vector form to solve problems and
describe motion of the following types:
• projectile motion
• uniform circular motion
• varying speed motion on a curve
c. Relate the velocity of an object as seen from two different frames of reference.
5. Dynamics for systems with motion in 2-dimensions and velocity dependent forces.
a. Operationally define an Inertial Frame of Reference
a. Differentiate between mass and weight.
b. Draw a FBD for a given physical situation (using the conventions discussed in
class).
c. Identify 3rd Law force pairs.
d. Write Newton's 2nd Law equations in component form from a FBD.
e. Translate between motion information represented in different representations
(e.g. FBD, Vectors, Equations, Words).
f. Solve problems involving the following:
− Gravitational forces
− Tension forces
− Normal forces
− Friction forces
g. Draw FBD’s for objects moving in Curved Paths. Be sure to account for
coordinate system and sign agreement for all quantities.
h. Explain the different nature of kinetic friction, static friction, rolling friction and
resistance due to movement through air and fluids.
Phy 221: Outcomes by Section
Eyres
rev. 7/12