Gravity Answers

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

gravity only

inertia only

gravity and inertia

neither gravity or inertia

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

weights of the objects

distance between the objects

acceleration of the objects

masses of the objects

The table shows the masses of four objects.

the book

the rock

the box

the fish

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

1.5 N

6.5 N

11.3 N

14.7 N

Which change will always result in an increase in the gravitational force between two objects?

increasing the masses of the objects and increasing the distance between the objects

decreasing the masses of the objects and decreasing the distance between the objects

increasing the masses of the objects and decreasing the distance between the objects

decreasing the masses of the objects and increasing the distance between the objects

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

Gravity does not act on objects near Earth’s surface.

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

The objects do not reach terminal velocity.

The objects can be pushed upward by gravity.

What units are used to measure mass and weight?

Mass and weight are measured in kilograms.

Mass and weight are measured in newtons.

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

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

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