In the context of gravitational problems, mass refers to the amount of matter in an object, while weight refers to the force exerted on an object by gravity. Mass does not change, but weight can vary depending on the strength of the gravitational field.
The force of gravity causes objects to accelerate towards each other, which can affect their motion in various ways. For example, gravity can cause objects to orbit around each other or fall towards each other.
Newtons's law of gravitation states that the force between two objects is directly proportional to their masses and inversely proportional to the square of the distance between them. Einstein's theory of general relativity provides a more comprehensive explanation of gravity, taking into account the curvature of space and time caused by massive objects.
The strength of gravity varies depending on the mass and radius of a planet or celestial body. Generally, larger and more massive objects have a stronger gravitational pull. For example, the force of gravity on Earth is stronger than on the Moon due to Earth's larger mass.
No, gravity cannot be canceled out or eliminated. It is a fundamental force of nature that affects all objects with mass. However, the effects of gravity can be counteracted by other forces, such as the centrifugal force experienced by objects in orbit around a larger body.