Newton's Universal Law of Gravitation Quiz 2

What is the value of the Universal Gravitation Constant (G)?

• 6.67 x 10^11 Nm²/kg²

• 9.81 m/sec²

• 3.5 x 10^22 N

• 10 m/s²

What is the gravitational field near the surface of the Earth?

• 9.81 m/sec²

• 6.67 x 10^11 Nm²/kg²

• 3.5 x 10^22 N

• 10 m/s²

What does the gravitational force depend on?

• Mass and distance

• Velocity and time

• Acceleration and force

• Energy and power

What is the formula to calculate gravitational force between two objects?

• F = GMm/d²

• F = mg

• F = ma

• F = E/t

What is the Inverse Square Law?

• The force of attraction is inversely proportional to the square of the distance between two bodies

• The gravitational force diminishes by the power of two when furthering away from the other body

• The rate at which objects accelerate when located a certain distance from the center of a planet

• The gravitational force acting upon a body caused by a planet or star

What is the actual weight of an object?

• The gravitational force acting upon a body caused by a planet or star

• The psychological illusion and heaviness feeling of an object

• The weight calculated by mass times the gravitational field

• The weight calculated by mass times the acceleration

If one of two objects increases its mass, it _________ the gravitational pull between the two objects

• increases

• decreases

• has no effect on

• eliminates

Force of gravity is inversely proportional to

• Mass
• Weight
• Distance
• Time

Force of gravity is directly proportional to

• Mass
• Weight
• Distance
• Time

Why would you weigh less on the moon?

• less air
• less sunlight
• there is no water on the moon
• less gravitational pull