Question

select the true statements about gravity.
choose 2 answers:
a gravitational forces can either be attractive or repulsive.
b two objects can exert gravitational forces on each other without being in contact.
c only very massive objects like stars and planets exert gravitational forces on each other.
d gravity is present in outer space.

Explanation:

• Option A: Gravitational force is always attractive, not repulsive, so A is false.
• Option B: Gravitational force is a non - contact force. For example, the Earth exerts a gravitational force on the Moon without being in contact with it, so B is true.
• Option C: Every object with mass exerts a gravitational force on every other object with mass, not just very massive objects. A small apple and the Earth also exert gravitational forces on each other, so C is false.
• Option D: Gravity is present throughout the universe, including outer space. For example, the gravitational force between planets and stars exists in outer space, so D is true.

Answer:

B. Two objects can exert gravitational forces on each other without being in contact.
D. Gravity is present in outer space.