C4 Second Law of Motion
F=ma, and all that follows. Here are demonstrations of the nature of acceleration and examples of forces acting on bodies in motion. This includes demonstrations of terminal velocity.
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C4-01: AIR TRACK - NEWTON'S SECOND LAW
Demonstrate F = ma Read More
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C4-02 AIR TRACK - A eq F/M
Illustrate the experimental basis for Newton's second law of motion Read More
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C4-03: ACCELERATION BY ITERATED BLOWS
Illustrate the numerical technique by which a computer carries out integration of the equation a = F/m Read More
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C4-11: ACCELEROMETER - BALL IN WATER
Demonstrate the direction of acceleration for both linear and circular cases Read More
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C4-12: ACCELEROMETER ON INCLINED PLANE
Illustrate the behavior of a liquid accelerometer accelerating down an inclined plane Read More
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C4-13: ACCELEROMETER ON ROTATOR
Show that the surface of a rotating liquid assumes a parabolic shape Read More
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C4-14: AIR TRACK - ACCELEROMETER
Demonstrate the behavior of a liquid accelerometer Read More
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C4-15: HELIUM BALLOON IN ACCELERATED BOX
Illustrate the affect of density on acceleration in a counterintuitive way 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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C4-22: HORIZONTAL ATWOOD MACHINE
Demonstrate the Horizontal Atwood Machine quantitatively Read More
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C4-23: ATWOOD MACHINE WITH HEAVY PULLEY
Illustrate the effect of a heavy pulley on the Atwood Machine Read More
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C4-31: AIR TRACK - THE ACCELERATION OF GRAVITY
Experimentally determine the acceleration of gravity Read More
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C4-32: FREE FALL IN VACUUM - DISK AND FEATHER
Demonstrate that bodies of extremely different densities fall with equal acceleration in the absence of air friction Read More
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C4-34: GALILEO'S EXPERIMENT - MASSES IN FREE FALL
Show that the acceleration of bodies in free fall is independent of mass Read More
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C4-41: TERMINAL VELOCITY - BOTTLE IN TUBE
An easily observable terminal velocity experiment Read More
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C4-42: TERMINAL VELOCITY - FEATHER
Illustrate terminal velocity Read More
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C4-43: TERMINAL VELOCITY - STACKED COFFEE FILTERS
Illustrate terminal velocity quantitatively Read More
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C4-51: WEIGHTLESSNESS IN FREE FALL - MASS IN BEAKER
Demonstrate weightlessness in free fall Read More
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C4-52 WEIGHTLESSNESS IN FREE FALL - MASS IN CUP ON POLE
Illustrate apparent weightlessness in free fall Read More
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C4-53 WEIGHTLESSNESS IN FREE FALL - MASS ON SPRING
Illustrate apparent weightlessness in free fall Read More
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C4-54: WEIGHTLESSNESS IN FREE FALL - MAGNET AND KEEPER
Illustrate weightlessness in free fall Read More
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C4-61: ACCELERATION ON A SCALE
Illustrate forces in an accelerating system Read More
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C4-62 DROPPED SLINKY
Illustrate apparent weightlessness in free fall Read More
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