The gravitational force between two objects is 100 N
If the mass of each object is doubled, what is the
gravitational force between the objects at the same
distance?
25 N
50 N
200N
400 N

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.