Gravity

Question 1

What is the only force that can act on an object in free fall?

Revolt · Accepted Answer

gravity

Question 2

Increasing which factor will cause the gravitational force between two objects to decrease?

Revolt · Accepted Answer

distance between the objects

Question 3

Which describes an object in projectile motion?

Revolt · Accepted Answer

The object’s inertia carries it forward.

Question 4

What determines the path that an object in projectile motion follows? (Ignore air resistance)

Revolt · Accepted Answer

gravity and inertia

Question 5

What is the weight, on Earth, of a book with a mass of 1.5 kg?

Revolt · Accepted Answer

14.7 N

Question 6

Which statement best compares the accelerations of two objects in free fall?

Revolt · Accepted Answer

The objects have the same acceleration.

Question 7

When does a skydiver achieve terminal velocity?

Revolt · Accepted Answer

when gravity equals air resistance

Question 8

The table shows the masses of four objects.

Revolt · Accepted Answer

the rock

Question 9

Why are objects that fall near Earth’s surface rarely in free fall?

Revolt · Accepted Answer

Air exerts forces on falling objects near Earth’s surface.

Question 10

What units are used to measure mass and weight?

Revolt · Accepted Answer

Mass is measured in kilograms, and weight is measured in newtons.

Gravity Answers