4
QuizMultiple Choice

Gravity and Motion

Question 4 • 26/27 EARTH & SPACE SCIENCE A

Which statement describes gravity?

Answer
A
There is no defined unit of measurement for gravity.
B
Gravity is the force that pulls objects toward Earth’s center.
C
Objects that have a small mass will have no gravitational pull.
D
Gravitational pull between two objects decreases as the mass of one increases.

Explanation

Gravity is an attractive force between objects with mass. Near Earth, it pulls objects toward Earth’s center, so choice B describes gravity. The other statements are incorrect: gravity can be measured, even small-mass objects exert gravitational pull, and increasing an object’s mass increases—not decreases—the gravitational attraction.

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