Means two variables have a constant relative ratio or relationship.

Gravity is a force of attraction between all objects with mass.

This force pulls objects toward each other.

What two variables does the strength of gravity depend on?

Mass and Distance. More mass means stronger gravity; greater distance means weaker gravity.

Why do planets and stars have significant gravitational pull?

Larger masses create stronger gravitational forces.

How does gravity change as distance increases between objects?

The farther apart two objects are, the weaker the gravitational attraction.

How is mass different from weight?

Mass is the amount of matter in an object. It does not change based on location. Mass is a scalar quantity and is measured in kilograms. Weight is the gravitational force acting on an object and can change based on location. Weight is measured in Newtons.

How is the measurement of weight and mass different?

Mass is measured in kilograms (kg), while weight is measured in newtons (N).

What effect do different gravitational fields have on weight and mass?

An object's mass stays the same whether on Earth or in space, but its weight changes.

What causes the sensation of weightlessness in space?

Gravity is still present in space, but the sensation of weight is absent. Weightlessness in space occurs because objects are in constant free fall, not because there is no gravity.

What is the formula to calculate weight, based on mass and the acceleration of gravity?

The formula relating mass and weight on Earth is: Weight = Mass times 9.8 m/s² (the acceleration of gravity on Earth) and is measured in Newtons

Why is gravity essential for the stability of celestial bodies. like planets and stars?

Gravity plays a key role in forming and maintaining orbits of planets and moons.

How can the gravitational force of an object be increased?

Increasing the mass increases the gravitational force.

How can you decrease the gravitational force experiencved by spacecraft near celestial bodies, such as planets and stars?

The gravitational force decreases as the distance increases. Gravitational force is inversely proportional to the distance.

Why is the Earth's gravitational pull stronger than the moon's?

The gravitational force on Earth is greater than on the Moon due to Earth's larger mass.

What effect does doubling the mass of an object have on the gravitational force?

The gravitational force doubles.

Why do Astronauts seem to float in the International Space Station?

They are in constant free fall around Earth, experiencing apparent weightlessness.

What falls faster, light objects or more massive objects?

Objects fall at the same rate in a vacuum, regardless of their mass. The gravitational force is proportional to the mass, so the acceleration is the same for all objects.

What effect does the Earth's gravity have on the orbit of the orbit of the Moon?

Earth's gravity keeps the Moon in orbit by constantly pulling it towards the center of Earth.

Why is the acceleration of gravity on Earth larger than on Mars?

Earth's acceleration of gravity is larger (9.8 m/s²) compared to Mars (3.7 m/s²) becasue its mass is larger.

What is the main difference between mass and weight?

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

Effect on an object's weight if moved to the Moon

The object's weight would decrease on the Moon due to lower gravity.

Mass of an object on Earth vs. Mars

The object's mass would still be 10 kg on Mars.

Effect of increasing an object's mass on its weight

Increasing an object's mass will increase its weight proportionally.

Force responsible for an object's weight

Gravity is responsible for an object's weight.

Why does an astronaut's mass remain constant when their weight changes on the Moon?

An astronaut's mass remains constant because mass is a measure of the amount of matter in an object, which doesn't change. Weight, however, is the gravitational force exerted on an object, which varies depending on the gravitational field strength of the celestial body.

Gravity & Weight Flashcards Flashcards

Student preview

33 questions

Show all answers

1.

FLASHCARD QUESTION

Front

Gravity

Back

The force of attraction between all masses in the universe.

2.

FLASHCARD QUESTION

Front

Mass

Back

The amount of matter in an object.

3.

FLASHCARD QUESTION

Front

Weight

Back

The force of gravity acting on an object.

4.

FLASHCARD QUESTION

Front

Newton's Law of Universal Gravitation

Back

States that every particle attracts every other particle in the universe with a force proportional to the product of their masses and inversely proportional to the square of the distance between them.

5.

FLASHCARD QUESTION

Front

Gravitational Field

Back

The region around a massive object where other objects experience a gravitational force.

6.

FLASHCARD QUESTION

Front

Newton

Back

The unit of force.

7.

FLASHCARD QUESTION

Front

Kilogram

Back

The unit of mass in the metric system.

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