Pasco capstone error
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Remove the disk and repeat for just the pulley. Use about 15g, and find the friction mass, too. Remove the ring, and repeat the above procedure for just the disk.
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It will only be about a gram so you won't be able to use the mass hanger! This is called the friction mass, and is subtracted from the hanging mass in the calculations on the next page. Accounting for Friction: Put just enough mass on the thread to make it fall at a constant speed after you give it a starting push. Highlight the falling section of data acceleration 4. and then use a linear curve fit to find the angular 3. Hang about 50 g on the mass hanger, and collect a run of angular velocity vs. Position the ring on top using the two pins to key it to the disk. Fasten the disk to the shaft of the Rotary Motion Sensor using the thumbscrew. (see Figure 6) yields F = m(g-a) (5) Finally, the linear acceleration, a, is related to the angular acceleration, a, by 6 ara Procedure 1. Applying Newton's Second Law for the hanging mass, m. is less than the weight, due to the downward acceleration. The rotational inertia of a disk is given by Figure 5: Rotation Axis for Ring and Disk (2) I= 1MR where M is the mass of the disk and R is the radius of the disk To find the rotational inertia of the ring and disk experimentally, a known torque is applied to the ring and disk, and the resulting angular acceleration, a, is measured (3) mg T= la where r is the torque caused by the weight hanging from the thread wrapped around the pulley of radius, r. of a thick ring about an axis passing through the center is given by 1=1 MR1+R:3) (1) where Mis the mass of the ring, Ris the inner radius of the ring, and R, is the outer radius of the ring, as shown in Figure 5. Acceleration (rad/-) Combined 1.0 of 1.5 Ring & Disk Disk & Pulley Pulley 50.0 15.0 1.0 18 21.060 ce a4.493 26.12a 0.0 Setup Theory Ads of Rotation Ads of Rotation Dish Thick Ring Theoretically, the rotational inertia, I. Create a table (shown below) in which all the columns are User-Entered Data sets. In PASCO Capstone, create a graph of Angular Velocity vs. Transcribed image text: the radius stays constant.