torque and angular momentum
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1. If a net torque is applied to an object, that object will experience which of the following?
a. constant angular velocity
b. an angular acceleration
c. a constant moment of inertia
d. an increasing moment of inertia.
2. A grinding wheel with moment of inertia of 2.0 kg.m2 is initially at rest. What angular momentum will it have 10s after a 2.5 N.m torque is applied to it?
3. A figure skater with arms initially extended starts spinning on the ice at 3 rad/s. She then pulls her arms into her body. Which of the following results?
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Solution Summary
It investigates the angular motion of the object due to change of angular momentum.
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1. If a net torque is applied to an object, that object will experience which of the following? A, constant angular velocity b, an angular acceleration c, a constant moment of inertia or d, an increasing moment of inertia.
, where I is the momentum of inertia, ...
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