The moon has a smaller mass than the Earth. If you were able to travel to the moon your weight would
increase.
vary from day to night.
remain the same.
decrease.
The distance of the star Vega from Earth is 1.6 million times greater than the distance of the Sun from Earth. Which of the following best describes the gravitational influence of Vega on Earth?
Its influence is greater than that of the Sun
Its influence is small because of its distance
It is roughly equal to that of the Sun.
It influences the magnitude of Earth's mass.
The mass of the sun is 1.99 x 1030 kg. The mass of Earth is 5.97 x 1024 kg. The average distance between them is 1.50 x 1011 m. What is the gravitational attraction between Earth and the sun?
3.52 x 1044 N
5.28 x 1033 N
3.52 x 1022 N
5.28 x 1011 N
Which of the following statements best describes the force of Earth's gravity on a rocket moving upward?
The gravitational force is stronger when the rocket is higher.
The gravitational force is constant for all altitudes.
The gravitational force is weaker when the rocket is higher.
The gravitational force is stronger when the rocket is higher.
A student studies gravity, using objects that have the same mass. Which two objects have the greatest gravitational force acting between them?