2 Masses on a Pulley - Torque Demonstration

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Physics, Science
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11th Grade - University
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the rotational inertia of the pulley described in the problem?
0.0385 kg·m²
0.200 kg·m²
0.0137 kg·m²
0.100 kg·m²
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't the tension forces on either side of the pulley be the same?
Because the pulley is frictionless
Because the pulley has mass and rotational inertia
Because the string is elastic
Because the masses are equal
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the direction defined as positive for the torque in this problem?
Downward
Clockwise
Upward
Counterclockwise
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the angular acceleration of the pulley calculated?
Using the sum of torques
Using the mass of the pulley
Using the initial velocity
Using the sum of forces
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the predicted angular acceleration of the pulley?
2.43 radians/s²
4.00 radians/s²
3.21 radians/s²
2.67 radians/s²
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the force of tension in the string connected to mass 1?
3.21 N
0.991 N
1.94 N
2.67 N
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the force of tension in the string connected to mass 2?
2.67 N
0.991 N
3.21 N
1.94 N
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