When we say that applying a force to the end of a coil spring causes the spring to stretch, we mean 'cause' in the sense of a:
A) Necessary but not a sufficient condition.
B) Necessary and a sufficient condition.
C) Sufficient but not a necessary condition.
D) Relative but not an absolute condition.
E) Relative and an absolute condition.

Question

Quizplus · Accepted Answer

In this scenario, causing the spring to stretch is both a necessary and sufficient condition. Applying a force to the end of a coil spring is necessary to stretch the spring, and it is also sufficient to cause the spring to stretch. Therefore, option B is the best choice.

When We Say That Applying a Force to the End