In the figure below, the disk will have a rotational inertia lexp. The string connecting the rotating object via the pulley to the hanging mass pulls at a distance roxde from the axis of rotation. (This radius is the spindle radius in the video.)

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Chapter1: Units, Trigonometry. And Vectors
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In the figure below, the disk will have a rotational inertia lexp. The string connecting the rotating object via the pulley to the hanging
mass pulls at a distance roxle from the axis of rotation. (This radius is the spindle radius in the video.)
Top View of Axle
rotational disk
axle
axle
"A" base
hanging
mass
string
Iexpa , derive the following expression for lexp using the hanging mass, mh, the measured
Using the equation for torque, T =
acceleration of the hanging mass, a, the acceleration due to gravity, g, and raxle-
lexp = m,raxte - 1)
The equation above contains the acceleration of the hanging mass, but this is not measured directly. What is the linear acceleration of
the hanging mass if it starts from rest and falls a distance h in a time t? Plug your answer into the equation for lexn above.
what do uv eed to do? nal The procerr of hal tu
W need tu do ? chau The
procens of naa tU
given er Iexp. The veplace "a" in
get
equattan
tenms t distance "n" and tme 4".
Transcribed Image Text:In the figure below, the disk will have a rotational inertia lexp. The string connecting the rotating object via the pulley to the hanging mass pulls at a distance roxle from the axis of rotation. (This radius is the spindle radius in the video.) Top View of Axle rotational disk axle axle "A" base hanging mass string Iexpa , derive the following expression for lexp using the hanging mass, mh, the measured Using the equation for torque, T = acceleration of the hanging mass, a, the acceleration due to gravity, g, and raxle- lexp = m,raxte - 1) The equation above contains the acceleration of the hanging mass, but this is not measured directly. What is the linear acceleration of the hanging mass if it starts from rest and falls a distance h in a time t? Plug your answer into the equation for lexn above. what do uv eed to do? nal The procerr of hal tu W need tu do ? chau The procens of naa tU given er Iexp. The veplace "a" in get equattan tenms t distance "n" and tme 4".
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