Law of Universal gravitation
What happens to Gravitational force if I double both of the masses but don't change their distance?
4 times bigger
When a satellite moves 3 times farther away from the object it is orbiting, the force between them will be ______.
9 times smaller than it was
If the mass of Mars is 6.4 kg x 1023 kg and the mass of Earth is 6.0 kg x 1024 kg, which one would you weigh more on?
Earth
What is the Universal law of gravitation equation?
F=G[(m1xm2)/d^2]
What states that "every object in the universe attracts every other object"?
Law of Universal Gravitation
Which of the following best explains why a person has less weight on top of a mountain?
The mountain adds more distance
Which is larger, the Sun's pull on the Earth or Earth's pull on the Sun?
They pull on each other equally
What is gravitational force?
a force that attracts any object
As distance between two objects increases, the pull of gravity:
decreases
If the force of gravity has been reduced by 1/4 which could be true?
distance was doubled
6.67x10^-11 is the
gravitational constant
The moon and other satellites rotate around the earth. Identify the force that keeps these satellites in orbit.
gravity
The figure shows the gravitational field surrounding the Earth. Why do the field lines point towards the Earth?
gravity is an attractive force that pulls objects toward the center of the earth.
as the mass of an object increases, the pull of gravity...
increases
If I double the mass of one object, but don't change anything else... What happens to the gravitational force between two objects?
it doubles
If I double the distance between two objects, what happens to their gravitational Force?
it is 4 times smaller
Complete the following statement: The farther away two planets are the _______ the gravitational force between them.
less
The picture shows the gravitational field in the space surrounding the Earth. What is creating this gravitational field?
the mass of the Earth
According to Newton's law of gravitation, the Earth and the Moon are gravitationally attracted to each other. The more massive Earth attracts the Moon with...
the same force as the Moon attracts the Earth
If a feather and a hammer are dropped at the same time on the moon, where there is no atmosphere, which one will hit the ground first?
they will hit at the same time
Why do we have a stronger gravitational attraction with Earth than the Sun?
we are closer to the center of the Earth
The measure of the pull of gravity on an object is ___________________.
weight
