Question

Force which makes object appear lighter in water is-
Options
1) Downward
2) Upward
3) Longitude
4) Gravity

Answer 1

Any mass doesn't end up heavier or lighter in water.

Mass of the body is an intrinsic property of matter and it always remains constant.

The real things that make difference here are forces acting on a body that are density, gravity and upthrust.

Density:

density = mass/volume

The density of water is taken as one and anything that has density less than water will float on it. e. g. oil on water

Anything that has density more than water will sink down e. g. stones and other heavy things.

A heavy mass like the planet Saturn itself has density less the water, we can say Saturn will literally float on water if immersed.