A Pentagon on the Edge of Table

A Pentagon on the Edge of Table#

The diagram in the figure below is showing a pentagon (with its mass uniformly distributed) close to the edge of a table.

a pentagon with its mass uniformly distributed close to the right edge of a table

Part 1#

The gravitational torque is :

Answer Section#

  • The gravitational torque is non-zero about the corner of the table

  • The gravitational torque is zero about the corner of the table

Part 2#

The sign of the gravitational torque is :

Answer Section#

  • Negative (clockwise)

  • Positive (counter-clockwise)

  • The gravitational torque is zero about the corner of the table.

Attribution#

Problem is licensed under the CC-BY-NC-SA 4.0 license.
The Creative Commons 4.0 license requiring attribution-BY, non-commercial-NC, and share-alike-SA license.

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