Statement that F=m*a; definition of mass; superposition of forces; second law examples.

8.01

*Physics I*, Fall 2003

Prof. Stanley Kowalski

**Course Material Related to This Topic:**

Definition of force (F=ma); superposition principle; definition of impulse and average impulse; Newton's second law equations for force, acceleration, momentum.

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

**Course Material Related to This Topic:**

Newton's first law defined; Newton's second law defined (F = m*a); Newton's third law defined; inertial reference frames defined.

Forces acting on two blocks connected and suspended by strings. Solution not included.

- Complete practice problem 1

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:**

Reading a scale in an elevator.

- Complete exam problem 1b
- Check solution to exam problem 1b

Newton's three laws of motion defined with a sentence each.

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:**

Newtonian induction; definition of Hooke's law; contact forces between surfaces; kinetic friction; static friction; fundamental forces of nature; definition of universal law of gravitation, with equation.

*Physics I*, Fall 2004

Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow

**Course Material Related to This Topic:**

Newton's Second Law in components; step-by-step method for solving second law problems.

*Physics I*, Fall 2004

Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow

**Course Material Related to This Topic:**

Definition of a reference frame; relative and relatively inertial reference frames; law of addition of velocities, with example problem; acceleration in relatively inertial reference frames; principle of relativity; tension in a massless rope; equations of motion, with special cases; constraint conditions in pulley systems.

*Physics I*, Fall 2004

Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow

**Course Material Related to This Topic:**

Force modeling experiment setup and procedure.

*Physics I*, Fall 2004

Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow

**Course Material Related to This Topic:**

4-part problem; finding work in terms of frictional force; stopping time; work to accelerate the box.

8.01

*Physics I*, Fall 2003

Prof. Stanley Kowalski

**Course Material Related to This Topic:**

- Complete practice problem 5
- Check solution to practice problem 5

8.01L

*Physics I: Classical Mechanics*, Fall 2005

Dr. George Stephans

**Course Material Related to This Topic:**

Forces acting on a passenger in a turning car. Solution not included.

- Complete practice problem 2

Forces acting on systems of multiple bodies. Solution not included.

- Complete practice problem 1–2

Force and acceleration.

*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 9
- Check solution to practice problem 9

*Physics I*, Fall 2004

Dr. Peter Dourmashkin, Prof. J. David Litster, Prof. David Pritchard, Prof. Bernd Surrow

**Course Material Related to This Topic:**

Force needed to accelerate a cart to a specified speed. Solution not included.

- Complete practice problem 1
- Complete practice problem 2

Force acting on a passenger in a sharply turning car. Solution not included.

*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 3

Detecting motion from inside a windowless, soundproof vessel. Solution not included.

*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

Magnitude of force between two magnets as a function of distance.

*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 4
- Check solution to practice problem 4

Forces acting on a mass connected to a rotating axle.

*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 2
- Check solution to practice problem 2

Forces acting on a pivoted beam.

*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 3
- Check solution to practice problem 3

Motion of two unequal masses suspended by a string over a rod.

*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
- Check solution to practice problem 1

Motion of a small object that slides down a large sphere and hits the ground.

*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 2
- Check solution to practice problem 2

Relative motion and energy of two objects.

**Course Material Related to This Topic:**

- Complete exam problem 1
- Check solution to exam problem 1

Motion of a jet airplane after takeoff.

**Course Material Related to This Topic:**

- Complete exam problem 6
- Check solution to exam problem 6

Determining change in weight of person jumping and hummingbird taking off inside a closed box on a scale.

8.01X

*Physics I: Classical Mechanics with an Experimental Focus*, Fall 2002

Dr. Peter Dourmashkin, Prof. Kate Scholberg

**Course Material Related to This Topic:**

- Complete exam problem 1
- Check solution to exam problem 1

Speed and tension at the top of the circle for ball swinging around.

8.01X

*Physics I: Classical Mechanics with an Experimental Focus*, Fall 2002

Dr. Peter Dourmashkin, Prof. Kate Scholberg

**Course Material Related to This Topic:**

- Complete exam problem 2
- Check solution to exam problem 2

Force acting on an accelerating car.

*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 CQ1
- Check solution to exam problem CQ1

Relative mass of weightless objects.

*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 4
- Check solution to exam problem 4