Abnormally low tidal range. (Neap tide)
No the Earth's gravitational attraction is caused by its mass. It varies slightly because the Earth is an oblate spheroid not a sphere, and as a result of variation in the density of crustal rocks. The tilt of Earth's axis has no affect on gravitational attraction.
We would have to know the masses of the Earth and the Moon to figure that out. But I will tell you this: The minimum work done is the energy needed to get the spaceship to the point between the Earth and the Moon where the gravitational influences of the two celestial objects cancel each other. After it passes this point, the spaceship will be pulled towards the Moon by the Moon's gravitational attraction, thus eliminating the need to push the spaceship further.
The earth's gravitational pull decreases as altitude increases.
no
Earth has more mass.
When the gravitational pulls of the sun and moon partially cancel each other out, Earth experiences a neap tide.
neap tide
A neap tide
Yes, the the gravitational pull of the moon and sun create tides.
Yes, the the gravitational pull of the moon and sun create tides.
neap tide
A neap tide.
There is a point where the gravitational field strength of both planet or object is equal, hence they cancel off each other, resulting in zero net gravitational field strength.
When the Moon and the Sun are on the same side of the Earth, or on opposite sides of the Earth (i.e., full moon or new moon), their effects are in the same direction, and the tides are stronger (spring tides). When they are at right angles, their effects will partially cancel, and the tides are weaker (neap tides - not sure about the spelling).
Ideally, if the earth were a perfect sphere, the gravitational potential energy would be zero. In the center of a sphere all other points within the sphere have an equal and opposite counterpoint. They work to cancel each other out. However, the earth is not a perfect sphere so there would likely be a gravitational pull towards the area with the greatest mass.
Because both the moon and the sun have a gravtational pull on the earth. The water also experiences gravitational pull. This causes the water to rise.
If gravity on the surface of Earth is 9.8Nkg, then at the centre it would be 0Nkg