Falling Down Because of Gravity QUIZ

What is the invisible force that "attracts" objects toward the center of the Earth?

• Gravity

• Magnetism

• Friction

• Electromagnetism

What is the unit used for measuring the mass of an object?

• Newton

• Pound

• Meter

• Kilogram (kg)

Who was the scientist that formulated the universal law of gravitation?

• Albert Einstein

• Galileo Galilei

• Isaac Newton

• Niels Bohr

What is the measure of the pulling force of gravity on an object?

• Mass

• Weight

• Volume

• Density

What are the two factors that affect the gravitational attraction of objects?

• Mass and distance

• Speed and velocity

• Time and space

• Energy and force

Gravity is the force that keeps objects in orbit around the Earth.

• True

• False

The mass of an object changes depending on its location in the universe.

• True

• False

Weight is a measure of how much matter is in an object.

• True

• False

Isaac Newton discovered the concept of gravitational force.

• True

• False

Gravitational force decreases as the distance between objects increases.

• True

• False