Universal Gravitation

Nora, Maya, and Charlotte are studying physics. They come across a statement that says "every object in the universe attracts every other object". Which law are they referring to?

• Newton's Law of Universal Gravitation

• Newton's First Law of Motion

• Physics

• Inertia & gravity

Tags

NGSS.HS-PS2-4

Abigail and Aria are studying astronomy and they come across a concept. They learn that the farther away Earth is from Mars, the _______ the gravitational force between them.

• more

• same

• doesn't matter

• less

Tags

NGSS.HS-PS2-4

Scarlett and Aria are conducting a physics experiment. They have two objects of equal mass. They decide to double the masses of both objects. What happens to the force of gravitational attraction between them?

• Doubles

• Quadruples

• Cut in Half

• 4x Smaller

Answer explanation

As a reminder mass is directly proportional to the force.

Tags

NGSS.HS-PS2-4

While studying in the park, Scarlett observed something that reminded her of Sir Isaac Newton's discovery of the universal law of gravitation. What did she observe?

• An apple falling from a tree

• Two apples falling from different trees at the same time

• Objects falling radially towards the Earth

• Evelyn throwing a ball and it being attracted towards the Earth

Tags

NGSS.HS-PS2-4

Jackson, Aria, and Hannah are observing a dropped apple in their physics class. According to the universal law of gravitation, how does the apple fall towards the Earth?

• In a radial direction

• In a straight line

• In a circular motion

• In a random pattern

Answer explanation

Radial means of or arranged like rays or the radii of a circle; diverging in lines from a common center.

Tags

NGSS.HS-PS2-4

Samuel and Arjun are studying the solar system. They are curious about the relationship between the gravitational force and the distance between the center of the Earth and the Moon. Ethan explains it to them. How does he describe it?

• Gravitational force increases with distance

• Gravitational force decreases with distance

• Gravitational force remains constant with distance

• Gravitational force is unrelated to distance

Tags

NGSS.HS-PS2-4

Liam and Aria are discussing about the gravitational force between Earth and the Moon. Liam says that the mass of both Earth and the Moon affects the force, while Aria thinks otherwise. Does the mass of an object affect the gravitational force between two objects?

• Yes, the mass of both objects affects the force

• No, the mass of an object has no effect on the force

• Yes, only the mass of the first object affects the force

• Yes, only the mass of the second object affects the force

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-4

Arjun and Luna were discussing about a famous experiment conducted by Henry Cavendish. Evelyn joined them and asked, 'What did this experiment determine?'

• The value of g

• The value of the gravitational constant

• The value of the Earth's mass

• The value of the Moon's acceleration

Tags

NGSS.HS-PS2-4

David, Michael, and Liam are in a room with a perfectly polished floor (frictionless), what would happen if they each placed a block on the floor?

• The blocks would move towards each other

• The blocks would move away from each other

• The blocks would remain stationary

• The blocks would rotate around each other

Oliver and Harper are discussing about gravity. Oliver says that the force of gravity is directly proportional to which of the following?

• Mass

• Weight

• Distance

• Time

Tags

NGSS.HS-PS2-4