title, topic, keyword
Small group, whiteboard, etc
Required in-class time for activities
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Activities

Small Group Activity

120 min.

##### Projectile with Linear Drag
Students consider projectile motion of an object that experiences drag force that in linear with the velocity. Students consider the horizontal motion and the vertical motion separately. Students solve Newton's 2nd law as a differential equation.
• Found in: Theoretical Mechanics course(s) Found in: Drag Force Sequence, Separable ODE's Sequence sequence(s)

Whole Class Activity

10 min.

##### Air Hockey
Students observe the motion of a puck tethered to the center of the airtable. Then they plot the potential energy for the puck on their small whiteboards. A class discussion follows based on what students have written on their whiteboards.
• Found in: Central Forces course(s)

Kinesthetic

10 min.

##### Acting Out Effective Potentials
A student is invited to “act out” motion corresponding to a plot of effective potential vs. distance. The student plays the role of the “Earth” while the instructor plays the “Sun”.
• Found in: Central Forces course(s)

Small Group Activity

120 min.

##### Box Sliding Down Frictionless Wedge
Students solve for the equations of motion of a box sliding down (frictionlessly) a wedge, which itself slides on a horizontal surface, in order to answer the question "how much time does it take for the box to slide a distance $d$ down the wedge?". This activities highlights finding kinetic energies when the coordinate system is not orthonormal and checking special cases, functional behavior, and dimensions.
• Found in: Theoretical Mechanics course(s)