| DCS # | DEMONSTRATION | REFERENCE | ABSTRACT |
|---|
| 3A40.00 | Simple Harmonic Motion | | |
| 3A40.10 | circular motion vs. mass on a aspring | PIRA 200 | Shadow project a ball at the edge of a disc rotating at the same frequency as a mass on a spring. |
| 3A40.10 | projected SHM | 3A40.10 | A rotating disc with a ball and a mass on a spring are shadow projected on the wall. |
| 3A40.10 | circular motion vs. spring and weigh | Disc 08-20 | Front on view of a marker on a disc and a mass on a spring. |
| 3A40.12 | circular motion vs.pendulum/spring | S-5 | A bike wheel with a ball mounted on the rim can be oriented with the axle vertical when shadow projected with a pendulum or with the axis horizontal when shadow projected with a mass on a spring. |
| 3A40.15 | pendulum vs. mass on spring | 10-2.12 | A dry ice puck between two horizontal springs oscillates under a long pendulum. |
| 3A40.20 | circular motion vs. pendulum | PIRA 200 | Shadow project a pendulum and turntable which have identical frequencies. |
| 3A40.20 | circular motion vs. pendulum | 3A40.20 | Shadow project a pendulum and a turntable with a ball mounted on the rim. |
| 3A40.20 | pendulum SHM | 15-1.2 | Shadow project a pendulum and turntable which have identical frequencies. |
| 3A40.20 | pendulum SHM | 15-1.4 | Using a 78 rpm phonograph turntable to synchronize a pendulum and ball on a turntable. |
| 3A40.20 | pendulum SHM | S-3 | A pendulum bob and shadow projection of circular motion of the same frequency appear coupled. |
| 3A40.20 | circular motion vs. pendulum | Disc 08-21 | Front view of a marker on a disc and a pendulum. |
| 3A40.21 | pendulum SHM | TPT 3(3),127 | A pendulum bob is shadow projected along with a post rotating on a turntable. |
| 3A40.25 | ball on track vs. pendulum | PIRA 1000 | |
| 3A40.27 | portulum | AJP 49(6),557 | In a variation of the simple swinging pendulum, the "portulum", a ball, driven by short blasts of air, rolls along a curved tube. The oscillations of the rolling ball have the same mathematical form as the oscillations of a ball swinging along the same path, but with a lower frequency. |
| 3A40.30 | arrow on the wheel | PIRA 1000 | |
| 3A40.30 | arrow on the wheel | 3A40.30 | An arrow that can be oriented tangentially or radially is mounted at the edge of a rotating disc and shadow projected on the wall. |
| 3A40.30 | arrow on mounted wheel | Mx-1 | A large arrow that can be oriented either tangentially or radially is mounted on the periphery of a rotating disc and shadow projected on a screen. |
| 3A40.30 | mounted wheel | 15-1.1 | An arrow at the edge of a rotating disc that can be oriented radially or tangentially is shadow projected onto a wall. |
| 3A40.31 | arrow on the wheel | S-1 | Shadow project a crank handle oriented perpendicular to the wall or screen. |
| 3A40.32 | SHM vectors | AJP 30(6),470 | Three arrows are soldered on a rotating spindle: acceleration, velocity, and displacement vectors. The device is shadow projected on a screen. |
| 3A40.35 | SHM slide | PIRA 1000 | |
| 3A40.35 | SHM slide | 3A40.35 | A motorized device inserted in a lantern slide projector shows a rotating spot and a SHM spot. |
| 3A40.35 | SHM slide | Mx-2 | A motorized lantern slide showing both rectilinear SHM and uniform circular motion. |
| 3A40.35 | SHM Slide | S-4 | A projection slide device that shows one spot moving in circular motion and another in SHM. |
| 3A40.36 | SHM slide | S-2 | Use a scotch cross mechanism (drawing) and mount colored discs on the circular pin and SHM pin. |
| 3A40.38 | SHM on CRO | TPT 15(7),436 | Using electronics and three oscilloscopes to show a spot moving in a circle, up and down with SHM, and a sine wave. A method for doing this sequentially on only one oscilloscope is also given. |
| 3A40.40 | project SHM | S-6 | Project a beam of light off a mirror on a tuning fork to a rotating mirror onto a screen. |
| 3A40.41 | tuning fork with light | PIRA 1000 | |
| 3A40.41 | tuning fork with light | Disc 08-10 | Attach a small light to a large slow fork and pan it by a video camera. A sine wave is visible by camera retention. |
| 3A40.45 | pendulum interface - Apple II | AJP 54(10),953 | An induced EMF from the magnet bob and an ADC forms the basis for this interface. |
| 3A40.45 | displaying pendulum motion | TPT 17(1),58 | The free end of the pendulum carries a pin electrode in a water trough with electrodes at each end. The signal is displayed on a oscilloscope. |
| 3A40.48 | plotting SHM | 15-1.7 | A bifilar pendulum with a marker traces on a sheet of wrapping paper advanced by a motor. |
| 3A40.50 | strain gauge SHM | PIRA 1000 | |
| 3A40.50 | strain gauge SHM | 3A40.50 | A spring and mass are suspended from a Pasco dynamic force transducer and the force is displayed on an oscilloscope. |
| 3A40.50 | strain gauge SHM | Mx-4 | Mass on spring hangs from a Pasco strain gauge with the output to a oscilloscope. |
| 3A40.52 | mass-spring on scope | TPT 20(3),186 | An optoelectronic device to display the displacement of a mass-spring system on the oscilloscope. |
| 3A40.53 | mass-spring accelerometor | 15-1.6 | A "U" tube manometer is placed on a cart between springs to show acceleration in SHM. |
| 3A40.60 | acceleration in a pendulum | TPT 16(6),404 | Use the Project Physics accelerometer as a pendulum with a ballistic pendulum suspension. |
| 3A40.65 | phase shift disc | PIRA 1000 | |
| 3A40.65 | phase shift | Disc 08-22 | Shadow project two balls mounted on the edge of a disc. Vary the angle between the balls to vary the phase shift. |
| 3A40.71 | plotting SHM on the OH | 15-1.11 | An acetate roll is motorized on the OH projector. Another motor drives a pen in SHM. |
| 3A40.72 | plotting SHM with spray paint | 15-1.8 | A can of spray paint oscillating between two springs traces on a roll of paper towels pulled uniformly by the instructor. |
| 3A40.75 | plotting SHM | 15-1.9 | A large ball oscillates on a spring and a pen on a rider below the ball traces on a roll of moving paper. |
| 3A40.80 | analysis,etc | TPT 10(7),377 | A collection of 16 physical systems which oscillate with SHM and one that does not. Analyses are given for several. |
| 3A40.81 | plate on drums | 15-1.5 | A plate resting on two oppositely rotating drums (wheels) exhibits SHM. Includes Derivation. |
| 3A40.82 | "Atwood's" oscillator | AJP 56(12),1151 | An advanced SHM system of a weight hanging from the edge of a solid disk weighted with an additional off center mass. |
| 3A40.90 | photographing SHM | TPT 11(1),46 | How to photograph a mass on a spring using a camera and a strobe. Also a hint about using a slit in a cardboard mask in front of an oscilloscope with a sine wave. |
| 3A40.91 | photographing SHM | 15-1.3 | Take strobe wheel photographs of a pendulum light and a mass on a spring light. |
| 3A40.93 | photographing SHM | 15-1.10 | Photograph a blinky that translates and oscillates. |