Chapter 16, Problem 18A

Which runs faster, a clock at the top of the Sears Tower in Chicago or a clock on the shore of Lake Michigan?

To determine

To Choose: The clock which runs faster.

Explanation of Solution

Introduction:

Einstein predicted that gravity makes the clock slow. The clock on the first floor would run little bit slower than the clock on the top floor.

The potential energy decreases as someone goes towards the surface of earth. Due to this, clock runs slow. The clock at the shore of Lake Michigan runs slower than the clock at top of the Sears Tower in Chicago.

Conclusion:

The clock at the shore of Lake Michigan runs slower than the clock at top of the Sears Tower in Chicago. Earth gravity makes clock to run slow.