Q. A tap can be operated easily using two fingers because
A) The force available for the operation will be more
B) This helps application of angular forces
C) The rotational effect is caused by the couple formed
D) The force by one finger overcomes friction and other finger provides the force for the operation
Explanation
The correct answer is Option C: The rotational effect is caused by the couple formed.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.