Question

In order to rotate a bar pivoted at its mid point, we need to apply

• A. two unequal forces at the two ends, but in the same direction
• B. two equal forces at the two ends, but in opposite directions
• C. a small force exactly at the mid point where it is pivoted
• D. a large force at any point on the bar

Answer 1

The correct option is B

two equal forces at the two ends, but in opposite directions

Two equal forces at the two ends, but in opposite directions.