Gravity

Front

What is the reason the gravitational force between you and your desk is very small?

Back

The masses are tiny compared to Earth's mass.

Front

What does mass depend on, and what does weight depend on?

Back

Mass depends on the amount of matter; weight depends on gravitational force.

Front

According to Newton's Universal Law of Gravitation, what two factors determine the attraction between objects with mass?

Back

Mass and distance.

Front

What force acts as gravity's 'pair' when someone is standing on the ground?

Back

Normal force.

Front

Why would a person weigh less on the Moon than on Earth?

Back

The Moon has less mass and therefore less gravity.

Front

Define gravitational force.

Back

Gravitational force is the attractive force between two objects with mass.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter in an object, while weight is the force exerted by gravity on that mass.

Front

How does distance affect gravitational force?

Back

Gravitational force decreases as the distance between two objects increases.

Front

What is the formula for calculating gravitational force?

Back

F = G * (m1 * m2) / r^2, where F is the gravitational force, G is the gravitational constant, m1 and m2 are the masses, and r is the distance between the centers of the two masses.

Front

What is the gravitational constant (G)?

Back

The gravitational constant (G) is approximately 6.674 × 10^-11 N(m/kg)^2.