If you were to push a pile of books across a table, in which location would this be the easiest?

The moon(my choice)

Earth

Same amount no matter the location

Jupiter

Suppose a large pizza is placed on earth, the moon, and Jupiter. In each location, the pizza weighs 2N. Which pizza would have the least mass?

Jupiter pizza

Moon pizza(my choice)

Earth pizza

Same no matter the location because each pizza weighs 1N

3 answers

1st one is good

pizzas all have the same weight , so the lowest mass is in the highest gravity
So is it the one I chose or something else? Is it a,b,c, or d?
what is the gravity on Jupiter?