When interplanetary space travel becomes viable, doctors may suggest to people with arthritis that they vacation on a planet with lower gravitational attraction and do more walking.

Question

When interplanetary space travel becomes viable, doctors may suggest to people with arthritis that they vacation on a planet with lower gravitational attraction and do more walking.

The gravitational acceleration on Earth is 9.8 m/s2
, while the gravitational acceleration on Mars is 3.7 m/s2
. How much less force would the vacationer be applying to their joints when walking on Mars?

Answer 1

When interplanetary space travel becomes viable, doctors may suggest to people with arthritis that they vacation on a planet with lower gravitational attraction and do more walking.

The vacationer would be applying 5.1 m/s2 less force to their joints when walking on Mars.