Friction
Definitions of kinetic friction and static friction, as well as drag force and the terminal speed of falling bodies in air. Includes a number of friction example problems.

8.01 Physics I, Fall 2003
Prof. Stanley Kowalski
Course Material Related to This Topic:
Kinetic and Potential Energy
Kinetic energy of a particle; gravitational potential energy; the law of conservation of mechanical energy. Includes several examples.

8.01 Physics I, Fall 2003
Prof. Stanley Kowalski
Course Material Related to This Topic:
Conservation of Energy
Definition of the law of conservation of energy, with examples; definition of conservative forces and the potential energy of conservative forces.

8.01 Physics I, Fall 2003
Prof. Stanley Kowalski
Course Material Related to This Topic:
Potential Energy
Spring potential energy and gravitational potential energy, with several examples; superposition of conservative forces; definition of nonconservative forces; conversion between forces and resultant potential energies.

8.01 Physics I, Fall 2003
Prof. Stanley Kowalski
Course Material Related to This Topic:
Calculating potential energy; using potential energy to calculate force; potential energy vs. position diagrams.

8.01L Physics I: Classical Mechanics, Fall 2005
Dr. George Stephans
Course Material Related to This Topic:
Definition of conservative force; change in potential energy and conservation of mechanical energy; energy curves; potential energy for gravity and springs; energy changes for conservative and nonconservative forces.

8.01T Physics I, Fall 2004
Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow
Course Material Related to This Topic:

8.01L Physics I: Classical Mechanics, Fall 2005
Dr. George Stephans
Potential energy of systems as a function of position. Solution not included.
 Complete practice problem 1
Finding velocity from a potential energy diagram; potential energy of a spring. Solution not included.
 Complete practice problem 1
WorkEnergy Theorem
Relation between work done and change in energy; when to use workenergy; potential energy defined; calculating changes in potential energy.

8.01L Physics I: Classical Mechanics, Fall 2005
Dr. George Stephans
Course Material Related to This Topic:
Potential Energy of Springs
Equation for the potential energy of a spring; potential energy of a vertical spring plus gravity.

8.01L Physics I: Classical Mechanics, Fall 2005
Dr. George Stephans
Course Material Related to This Topic:
Experiment 5B
Friction experiment setup and procedure.

8.01T Physics I, Fall 2004
Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow
Course Material Related to This Topic:
Work and Dot Product Problem Solving Strategies
Class problems.

8.01T Physics I, Fall 2004
Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow
Course Material Related to This Topic:
Calculating Work Integrals

8.01T Physics I, Fall 2004
Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow
Course Material Related to This Topic:
Work done by gravity near the surface of the earth.
 Complete practice problem 20a
 Check solution to practice problem 20a
Work done by the spring force.
 Complete practice problem 20b
 Check solution to practice problem 20b
Work done by the inverse square gravitational force.
 Complete practice problem 20c
 Check solution to practice problem 20c
Spring  Object on an Inclined Plane with Friction
Motion of an object pushed by a spring up an inclined plane.

8.01T Physics I, Fall 2004
Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow
Course Material Related to This Topic:
 Complete practice problem 21
 Check solution to practice problem 21
Journey to the Center of the Earth
Finding the time it takes for an object to traverse a hole through the earth.

8.01T Physics I, Fall 2004
Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow
Course Material Related to This Topic:
 Complete practice problem 22
 Check solution to practice problem 22
Oscillation and Potential Energy
Potential energy of a spring as a function of a connected oscillating cart. Solution not included.

8.01T Physics I, Fall 2004
Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow
Course Material Related to This Topic:
 Complete practice problem 1
Potential Energy Graph
Determining maximum velocity of a particle from a graph of potential energy vs. position. Solution not included.

8.01T Physics I, Fall 2004
Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow
Course Material Related to This Topic:
 Complete practice problem 6
Path Dependence of Force
Average force exerted to ride a bicycle up a hill by two different paths. Solution not included.

8.01T Physics I, Fall 2004
Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow
Course Material Related to This Topic:
 Complete practice problem 7
Energy of a Spring
Energy stored in a spring at maximum compression. Solution not included.

8.01T Physics I, Fall 2004
Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow
Course Material Related to This Topic:
 Complete practice problem 18
Rocket Flight
Comparing the work done by two different rockets.

8.01L Physics I: Classical Mechanics, Fall 2005
Dr. George Stephans
Course Material Related to This Topic:
 Complete exam problem 13
 Check solution to exam problem 13
Force and Potential Energy
Force exerted to ride a bicycle up a hill.

8.01T Physics I, Fall 2004
Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow
Course Material Related to This Topic:
 Complete exam problem 1d
 Check solution to exam problem 1d
Spring  Launched Projectile
Motion of a marble launched from a table by a spring.

8.01T Physics I, Fall 2004
Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow
Course Material Related to This Topic:
 Complete exam problem 2
 Check solution to exam problem 2