OK, time (or perhaps sqrt(-1) X time) is our fourth dimension. Do we have momentum as we move through time? When we encounter a gravitational field, does it act to accelerate (decelerate) our "velocity" through time?(adsbygoogle = window.adsbygoogle || []).push({});

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Momentum in time

**Physics Forums | Science Articles, Homework Help, Discussion**