During the experiment, students collect data about the angular momentum of a rigid, uniform spinning wheel about an axle as a function of time, which was used to create the graph that is shown. A frictional torque is exerted on the wheel. A student makes the following statement about the data. “The frictional torque exerted on the wheel is independent of the wheel’s angular speed.” Does the data from the graph support the student’s statement? Justify your selection.

Question

During the experiment, students collect data about the angular momentum of a rigid, uniform spinning wheel about an axle as a function of time, which was used to create the graph that is shown. A frictional torque is exerted on the wheel. A student makes the following statement about the data. &#8220;The frictional torque exerted on the wheel is independent of the wheel&#8217;s angular speed.&#8221; Does the data from the graph support the student&#8217;s statement? Justify your selection.(a) Yes, because the slope of the line is constant.
, (b) Yes, because the angular momentum of the wheel decreases as time increases.
, (c) No, because the area bound by the curve and the horizontal axis from $0\,\text{s}$ to $10\,\text{s}$ is a positive value.
, (d) No, because the data does not provide information about the relationship between net torque and angular speed.
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