Below are a sample some popular demonstrations used in a particular class. Consider using these in your classes, or learn more about a demo you saw while taking that class.
PHYS121 Demonstrations - List
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A2-22: MAGNETIC VECTORS - LECTURE HALL BLACKBOARDS
Demonstration of vector properties Read More
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B1-01 CENTER OF MASS - DISC SECTION
Demonstration of vector properties Read More
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B1-04: Center of Mass - Brass Barbell
Demonstrate stable equilibrium when supported at center-of-mass Read More
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B1-06: Double Cone - Large
Demonstrate stable equilibrium when supported at center-of-mass Read More
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B4-01 HOOKE'S LAW
Demonstrate the linear relationship between force and stretching for a simple spring Read More
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C2-06 BALL DROP ON ROPE - EQUAL AND UNEQUAL INTERVALS
Illustrate the geometrical effect of free fall Read More
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C2-11 RACING BALLS
Illustrate linear kinematics Read More
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C2-22 MONKEY AND HUNTER
Demonstrate the independence of horizontal and vertical components of motion Read More
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C2-26 FUNNEL CART WITH MASS OVER PULLEY
Demonstrate the independence of horizontal and vertical components of motion Read More
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C2-27 FUNNEL CART ON INCLINE
Demonstrate the independence of horizontal and vertical components of motion Read More
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C3-02 INERTIA - TABLE CLOTH TRICK
Dramatically demonstrate inertia Read More
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C3-05 INERTIA - PEN IN BOTTLE
Dramatically demonstrate inertia Read More
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C3-12 PENCIL AND PLYWOOD
Dramatically demonstrate inertia Read More
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C4-21 ATWOOD MACHINE
Illustrate the second law of motion. Experimentally determine the acceleration due to gravity Read More
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C5-02 SPRING AND PULLEY PARADOX
Show that the action-reaction pairs have equal magnitude Read More
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C5-14 ROCKET TRIKE
Demonstrate Newton's third law of motion Read More
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C5-18 FAN CART
Demonstrate Newton's third law of motion Read More
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C6-01 INCLINED PLANE - FRICTION BOX AND WEIGHTS
Shows that the coefficient of friction does not depend upon the mass of the object although the frictional force does Read More
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C7-11: COLLISIONS OF BALLS - EQUAL MASSES
Demonstrates conservation of energy and conservation of linear momentum in multiple elastic collisions Read More
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C8-04 HILL TRACK
Demonstrates conservation of energy Read More
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C8-06 PILE DRIVER
Illustrates gravitational potential energy converting into kinetic energy converting into work Read More
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C8-11 INTERNAL VS. EXTERNAL ENERGY - SPRING-COUPLED SUPERBALLS
Shows that when energy disappears from the center of mass motion it may be converted into internal energy Read More
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C8-14 JUMPING CLAMP
Demonstrates mechanical potential energy transforming into kinetic energy Read More
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D1-33 ROTATING MASS ON STRING
Illustrates centripetal force and that instantaneous velocity is tangent to the circular path Read More
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D1-34 ROTATING MASS ON SPRING
Illustrates centripetal force Read More
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D1-35 CENTRIPETAL FORCE - ROTATING MASS
Measures the required centripetal force for an object to move with uniform circular motion Read More
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D1-51 BANKED CURVE MODEL
Aid in explaining banked turns Read More
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D1-53 LOOP-THE-LOOP
Demonstrates conservation of energy in a rotating object and centripetal force Read More
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D2-01 RING AND DISC ON INCLINED PLANE
Demonstrates effect of rotational inertia on acceleration of an object Read More
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D2-02: Miscellaneous Rolling Bodies On Inclined Plane
Demonstrates effect of rotational inertia on acceleration of an object Read More
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D2-31 OBERBECK CROSS
Illustrates rotational analog of Newton's second law of motion Read More
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D3-03 ROTATING CHAIR AND WEIGHTS
Illustrates conservation of angular momentum Read More
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F1-01 FLUID PRESSURE VS. DEPTH
Demonstrates that fluid pressure increases linearly with depth and is isotropic. Read More
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F1-06 WATER SEEKS ITS OWN LEVEL
Shows that pressure is dependent on depth, not shape of container Read More
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F2-01 ARCHIMEDES' PRINCIPLE
Demonstrates the buoyant force on a body submerged in a fluid to be equal to the weight of the displaced fluid. Read More
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F2-05 BUOYANCY - BOAT AND ROCK
Illustrates buoyancy Read More
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F2-21 REACTION TO BUOYANT FORCE
Demonstrates the reaction force using a liquid. Read More
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F5-21 VENTURI TUBE WITH MANOMETERS
Illustrates the venturi effect Read More
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I1-11 THERMAL EXPANSION - BALL AND HOLE
Illustrates thermal expansion Read More
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I1-13 THERMAL EXPANSION - BIMETAL STRIP
Demonstrates differential thermal expansion Read More
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