(Statics of Rigid Bodies)
Erector Spinae Muscle Forces
[ L | t++ |★★★ ]
A realistic model of the forces in the erector spinae muscles that support the back when bent over.
Tension Puzzler
[M | t+ | ★★★]
Two weights tugging on a spring balance; to what result?
[In-Depth Description]
Leaning Ladder
[M | t | ★★]
Small ladder against wall with variable load and inclination.
Vector Sum of Forces
[M | t | ★★]
Magnetic blackboard mechanics with spring balances and weights.
Rectangle on Cylinder
[M | t+ | ★★★]
What are the conditions for stable equilibrium?
Stack of Blocks
[M | t | ★★★]
A dozen blocks are stacked on top of each other over the edge of the table seemingly defying gravity.
Loaded Beam
[M | t+ | ★★]
Beam supported at ends with platform scales and toy truck as load to demonstrate moment arms.
Balancing Forks
[s | t+ | ★★★]
Two forks, a cork, and a matchstick balance on the lip of a glass.
Vector Arrows
[M | t | ★]
Wooden arrow vectors, hand held or mountable.
[In-Depth Description]
Center of Mass
[M | t+ | —]
Irregular lamina with marked center-of-mass tossed in air.
Three-Legged Table
[L | t | ★]
Triangular table supported by platform scales.
Friction Blocks
[M | t | ★]
Selection of blocks that slide down a variable-angle inclined plane to demonstrate the various aspects of friction.
Fakir Physics
[M | t | ★★★]
The concept of pressure is demonstrated by lying on a bed of nails.
Train on Circular Track
[M | t | ★]
Vector representation of position, velocity, and acceleration.
[In-Depth Description]
Contact Us
Mailing Address: Lecture Demonstration Services, Science Center, Rm B-08A, 1 Oxford Street, Cambridge, MA 02138
Campus Location: Science Center B-08A | Tel: (617) 495-5824 | Email: scidemos-at-fas.harvard.edu