In principle, the motion of a simple pendulum and an object on an ideal spring can both be used to provide the basic time interval or period used in a clock. Which of the two kinds of clocks becomes more inaccurate when carried to the top of a high mountain? Justify your answer.

Answer 1

The period of a pendulum depends upon gravity and that or a wound-spring clock does not. What does that tell you about what the answer might be?