Examlex
The torque caused by a force F applied at a distance r from the axis of rotation, is given by , where
is the angle between
and
. If the magnitudes r and F remain the same, what other angle
will produce the same torque as was produced at angle
if
was less than 90°?
Pericardium
The fibrous sac that surrounds the heart and the roots of the great blood vessels, providing protection and support.
Mediastinum
The central compartment of the thoracic cavity between the lungs, containing the heart, esophagus, trachea, and other structures.
Diaphragm
A major muscle involved in breathing, separating the thoracic cavity from the abdominal cavity.
Ligamentum Arteriosum
A small ligament that is the remnant of the ductus arteriosus formed within 3 weeks after birth.
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