Answer:
mass of the solid is 10.8kg
Step-by-step explanation:
Weight of the solid=w=18.36N
Force of gravity on the surface of the moon=g=1.71Nkg^-1
Mass of the solid on the moon=m=?
as we know that
weight=mass×force of gravity
here we have to find the mass
=mass
mass=

Mass of the solid=10.8kg
i hope it will help you