The gravitational attraction between two objects would increase if both masses are –

increased, and the distance between them is decreased.

increased, and the distance between them is increased.

decreased, and the distance between them is decreased.

decreased, and the distance between them is increased.

Gravity can be defined as the –

force of attraction between two or more masses.

friction created when two objects are in contact.

energy given off by stars due to nuclear reactions.

path an object follows as it moves through space.

Which of the following WILL change with different gravitational forces?

the amount of matter in an object

What is Newton's 3rd Law?

For every action there is an equal and opposite reaction.

Acceleration depends on two variables, the mass of the object and the amount of force.

Why is the net force 0 in the image?

Because they are both pulling the same amount of force in opposite directions

Because the elephants are the same size

Because they are pulling away from each other.

Why do planets orbit the Sun?

The Sun is the most massive object in our solar system, so it exerts the greatest gravitational pull.

The Sun is the only celestial object that has a gravitational pull.

The Sun’s chemical composition makes it attract planets.

Only celestial bodies that emit light, like the Sun, can be at the center of an orbit.

What would happen to your weight if Earth's mass was cut in half?

decrease because gravitational force decreases

increase because gravitational force increases

decrease because gravitational force increases

increase because gravitational force decreases

Which of the following best describes Newton's Law of Universal Gravitation?

Every object in the universe attracts every other object with a force that is proportional to the product of their masses and inversely proportional to the square of the distance between their centers.

The force of gravity is the same for all objects regardless of their mass.

Gravity only affects objects that are in motion.

The gravitational force is stronger on objects that are closer to the Earth.

If the mass of one object is doubled, how does this affect the gravitational force between it and another object, assuming the distance remains constant?

The gravitational force is doubled.

The gravitational force is halved.

The gravitational force remains the same.

The gravitational force is quadrupled.

Which experiment could be used to demonstrate Newton's Law of Universal Gravitation?

Measuring the force between two masses using a torsion balance.

Dropping two objects of different masses from the same height and observing their fall.

Observing the orbit of planets around the sun.

Using a spring scale to measure weight.

How does Newton's Law of Universal Gravitation apply to the motion of planets in our solar system?

It explains why planets move in elliptical orbits around the sun.

It shows that planets move in perfect circles around the sun.

It suggests that planets do not exert gravitational forces on each other.

It indicates that the sun's gravity is the only force acting on the planets.

Newton's Laws of Gravity

Authored by Lisa Thompson

Science

8th Grade

NGSS covered

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25 questions

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MULTIPLE CHOICE QUESTION

1 min • 1 pt

Gravity attracts all objects towards one another.

True

False

Tags

NGSS.MS-PS2-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The law of universal gravitation is credited to whom?

Einstein

Galileo

Darwin

Newton

Tags

NGSS.HS-PS2-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

An object in motion stays in motion and an object at rest stays at rest UNLESS

acted on by a balanced force.

acted on by an unbalanced force.

Tags

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

In outer space, forces are balanced because there is no _____?

friction

light

sound

gravity

Tags

NGSS.MS-PS2-4

NGSS.MS-ESS1-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What happens to the force of gravity between two objects if the mass of one object increases?

The force of gravity between them decreases.

The force of gravity between them stays the same.

The force of gravity between them increases.

The force of gravity between them is not affected by mass.

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The force of attraction between all matter.

inertia

friction

net force

gravity

Tags

NGSS.MS-PS2-4

NGSS.MS-PS2-5

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Sir Issac Newton discovered how many laws of motion?

a billion

Tags

NGSS.MS-PS2-1

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Newton's Laws of Gravity

Gravity attracts all objects towards one another.

The law of universal gravitation is credited to whom?

An object in motion stays in motion and an object at rest stays at rest UNLESS

In outer space, forces are balanced because there is no _____?

What happens to the force of gravity between two objects if the mass of one object increases?

The force of attraction between all matter.

Sir Issac Newton discovered how many laws of motion?

What is the unit called that measures force?

A skateboarder pushes the ground BACKWARDS which causes the board to move FORWARD.

The gravitational attraction between two objects would increase if both masses are –

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