pendulum

• Oscillations of pendulums:  observing motion and force characteristics.

ball_on_incline

• Ball rolling down incline, or sequence of inclines.

buoyant_balance_construction

• Constructing a system to achieve linear response to torque; response of system with various objects suspended in fluid.

buoyant_balance_oscillations

• Achieving constant oscillation frequency in response to net torque equal to torque of buoyant force.

toy_cars_and_magnets

• Motion and energy of small cars under the influence of magnetic and frictional forces.

rotating_strap

• Motion and energy of variously loaded rotating straps under the influence of various and torques.

rubber_band_systems

• Force and energy characteristics of various combinations of rubber bands.

rubber_bands

• Force and energy characteristics of rubber band chains.

projectiles

atwood_machine

• Two masses over pulley; more generally net force from gravitational force on all or part of system).

circular_models

• Linear motion modeled by motion of point rotating on a circle.

cars_on_inclines

• Acceleration of cars on level surfaces and inclines due to gravitational forces on cars, and other forces.

collisions_cars_magnets *

• Interactions of two cars intermediated by magnets attached to both.

collisions_marbles_balls *

• Collisions of spherical objects.

force_at_distance

• Measuring forces due to magnetic, gravitational and electrostatic interactions.

gravitation_simulation

• Investigating simulation of small-satellite motion in gravitational field of Earth.

oscillating_mass_suspended

• Oscillations of masses suspended by rubber band chains and springs:  observing motion and force characteristics.

restoring_forces *

• Measuring restoring forces leading to harmonic motion (simple and otherwise), energy considerations.

vertical_strap

• Motion of unbalanced vertical strap rotating about an axis.