Question

Select the most appropriate word from the given box and fill in the following blanks.

couple, rotation, dynamic, static, newton-metre, positive, negative, torque, vector

A book lying on a table is in ______ equilibrium.

Answer 1

A book lying on a table is in static equilibrium.

Explanation:

A book lying on a table is in static equilibrium because it remains at rest. The downward force due to its weight is balanced by the upward normal reaction of the table.