Practice Stress (3.2) - Angular Momentum Balance

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10 questions

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6 sample questions

Question 1.
What is an example of a traction force?
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Think of objects resting on surfaces.
Question 2.
Define body force.
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Consider forces like gravity.
3Question 3.
What is torque caused by?
- Group of forces acting on a single point
- A single force acting at a distance
- None of the above
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Think about how a wrench works.
4Question 4.
True or False: Body forces are only external forces.
- True
- False
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Remember the role of gravity.
Question 5.
A vertically hanging cylindrical bucket is filled with water to a height of 2m. Calculate the pressure at the bottom of the bucket in terms of water density.
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Use the water density and remember that pressure increases with depth.
Question 6.
A cuboid experiences a tension force on one face while being acted upon by gravity throughout its volume. Derive the expression for the resulting stress matrix.
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Balance forces and integrate across the volume.

6 more questions in this section. Enroll free to practise them all.