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Two things with
________ attract each
other with a force of
gravity.
Two things with _mass_
attract each other with a
force of gravity.
An object in motion will stay in
motion with a constant speed
and In the _______________
unless acted upon by an
unbalanced force.
An object in motion will stay in
motion with a constant speed
and In the _same direction_
unless acted upon by an
unbalanced force.
If the distance between the
moon and the earth were to
increase, the force of gravity
would ___________.
If the distance between the
moon and the earth were to
increase, the force of gravity
would _decrease_.
Describe the relationship
between the distance from
the Sun and a planet’s
orbital speed.
Describe the relationship
between the distance from
the Sun and a planet’s
orbital speed.
Closer to sun = greater speed
If Jupiter’s mass
decreased, Io’s orbital
speed would
__________.
If Jupiter’s mass
decreased, Io’s orbital
speed would _decrease_.
What is the cause of
tides?
What is the cause of
tides?
Gravitational pull between earth and
moon AND earth and Sun
The highest high tides are
called __________ tides.
The highest high tides are
called _spring__ tides.
What is mass?
the amount of matter something has
Define inertia.
Define inertia.
An object’s resistance to change in
motion
What type of tide is this?
Spring tide
What type of tide is this?
st
1
It is a quarter moon.
What type of tide will you
experience during high tide?
st
1
It is a quarter moon.
What type of tide will you
experience during high tide?
A neap tide
What is weight?
What is weight?
A measure of the force of gravity on an
object’s mass
Why does the force of gravity
between the Earth and the
Moon seem to have a greater
effect on the moon?
Why does the force of gravity
between the Earth and the
Moon seem to have a greater
effect on the moon?
Moon has less inertia, so it accelerates
more
If you were to stand on the
beach for 24 hours, how many
times would you see the ocean
rise and fall?
If you were to stand on the
beach for 24 hours, how many
times would you see the ocean
rise and fall?
Rise 2 times, fall 2 times
Are the forces acting upon a
rocket when launching
balanced or unbalanced?
Are the forces acting upon a
rocket when launching
balanced or unbalanced?
unbalanced
According to Newton’s Law of
Gravitation, what does the force
of gravity between two objects
depend on?
According to Newton’s Law of
Gravitation, what does the force
of gravity between two objects
depend on?
The objects’ masses & distance
between them
A planet with a larger mass
will have a moon with a
___________ orbital speed.
A planet with a larger mass
will have a moon with a
___________ orbital speed.
greater
If the mass of Venus increased,
its force of gravity between
Venus and the sun would
____________.
If the mass of Venus increased,
its force of gravity between
Venus and the sun would
__increase__.