Universal Law of Gravitation

Question 1

Which are the effects of gravity on objects on the surface of Earth? Select 2 options.Objects “fall” toward the center of Earth.Objects are pulled by Earth but do not pull on Earth. Objects accelerate at a rate of 9.8 m/s each second.Objects travel at a rate of 9.8 m/s toward the center of Earth.Objects pull on the Earth is much stronger than the Earth’s pull on the object.

Revolt · Accepted Answer

Objects “fall” toward the center of Earth.; Objects accelerate at a rate of 9.8 m/s each second.

Question 2

The universal law of gravitation states that the force of attraction between two objects depends on which quantities?

Revolt · Accepted Answer

the masses of the objects and the distance between them

Question 3

The gravitational force between a satellite and Earth’s moon is 324 N. The mass of the moon is 7.3 × 1022 kg.

Revolt · Accepted Answer

450 kg

Question 4

Review the table detailing the mass of Jupiter’s moons and their distance from the planet.

Revolt · Accepted Answer

Io

Question 5

The acceleration due to gravity on Jupiter is 23.1 m/s2, which is about twice the acceleration due to gravity on Neptune.

Revolt · Accepted Answer

An object weighs about two times as much on Jupiter as on Neptune.

Question 6

In the equation for the gravitational force between two objects, which quantity must be squared?

Revolt · Accepted Answer

d

Question 7

Shari uses the data in the table to predict how her weight on Venus would compare with her weight on Earth.Which is the best prediction Shari could make?

Revolt · Accepted Answer

Her weight is lower on Venus because the acceleration due to gravity is lower.

Question 8

The gravitational force between two objects is 3600 N. What will be the gravitational force between the objects if the mass of each object is reduced to one-third of its original mass?

Revolt · Accepted Answer

400 N

Universal Law of Gravitation Answers

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