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1
OBJECTIVE
In this experiment you will confirm the validity of Newton’s 2
nd
Law by analyzing the
motion of two objects (glider and a hanging mass) on a horizontal air track. First, you
will calculate the theoretical acceleration by applying Newton’s 2
nd
Law (
F
net
= M
A
),
neglecting friction, to the glider and hanging mass.
Next, you will calculate the
experimental acceleration of the glider by applying the kinematic equations of motion as
it moves between two markers (photogates) on the track.
We will then compare the
experimental acceleration to the theoretical acceleration:
1)
Calculate the theoretical acceleration a
theo
of the system by applying Newton’s 2
nd
Law.
2)
Calculate the experimental acceleration a
exp
of the system by two different
methods using the kinematic equations of motion.
3)
Compare a
exp
with a
theo
.
APPARATUS
1.
Air track, blower with hose, and power cord.
2.
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This note was uploaded on 09/02/2011 for the course PHYS 4a taught by Professor Luna during the Spring '11 term at DeAnza College.
 Spring '11
 Luna
 Acceleration, Mass

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