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Where does Earth's gravitational limit ends?
Earth's gravitational limit, also known as the Hill sphere, extends to approximately 1.5 million kilometers from Earth. Within this distance, Earth's gravity is the dominant force affecting the motion of objects. Beyond the Hill sphere, the gravitational influence of the Sun becomes stronger than that of Earth.
Is the greater an objects velocity the stronger the gravitational force on it?
No, the strength of the gravitational force on an object depends on the masses of the objects and the distance between them, not the object's velocity. The velocity affects the object's motion in the gravitational field, but not the strength of the gravitational force acting on it.
How does gravitational force effect time?
Under normal circumstances the effect is not noticeable. It is only when gravity is extreme does it make a discernible effect, which is to slow time.
What explains why the sun governs the motion of all planets in your system?
The sun's immense gravity creates a central force that keeps the planets in orbit around it, a phenomenon known as gravity-assisted motion. This gravitational force is balanced by the planets' inertia, resulting in stable orbits. This gravitational interaction is what governs the motion of all the planets in the solar system.
What two factors influence the gravitational potential energy of an object?
First of all, a clarification on the wording of the question: Gravitational potential energy is the energy associated with the gravitational interaction between objects with mass. Obviously if you just have a single isolated mass, it would not be under the influence of any gravitational fields and therefore there would be no gravitational potential energy. Gravitational potential energy is property that describes a whole system of masses (it could be two masses or three or four or...). When we talk about the gravitational potential energy of an object on Earth, it is implicit that we mean the gravitational potential energy associated with the system of two masses (one being the object in question, and the other being Earth).For simplicity, let's assume that we have two masses labelled m1 and m2. The gravitational potential energy (which I'll label U) is given by the relation:U = (Gm1m2)/r2where r is the distance between the centre of each mass, and G is the universal gravitational constant. You can derive this equation very simply from Newton's Universal Law of Gravitation (which you may be familiar with) and the definition of potential energy. So, what does the potential energy of this system of masses depend upon? Everything that is a variable in the equation! Namely, the mass of each object and their separation. In our everyday example of an object that is some height habove the surface of the Earth, the mass of the Earth doesn't change, and neither does its radius (distance between centre and surface). Therefore, in that particular instance, the potential energy depends only upon two things 1. the height of the object above the surface, and 2. the mass of the object.
What is motion that is under the influence of gravity alone called?
Motion under the influence of gravity alone is called free fall. In free fall, an object is only acted upon by the force of gravity, causing it to accelerate towards the Earth at a constant rate.
What is the only reguriment for an object to be in projectile motion?
The only requirement for an object to be in projectile motion is that it must be launched or thrown into the air with an initial velocity. Once in motion, the object will follow a curved path under the influence of gravity, with no additional propulsion.
What factors influence gravitational force of attraction?
-- The masses of the two objects being drawn together by mutual gravitational forces. -- The distance between the centers of the two objects. This is a complete list. These are the only factors that influence the strength of the gravitational force between them.
What is the difference between projectile motion and linear motion?
Projectile motion involves an object moving in a curved path under the influence of gravity, while linear motion involves an object moving along a straight path. Projectile motion typically involves both horizontal and vertical components, while linear motion only has motion in one direction.
What is a factor that affects kinetic energy but not gravitational potential energy?
An increase in temperature can affect kinetic energy by increasing the motion of particles, but it does not affect gravitational potential energy which depends only on an object's position in a gravitational field.
What type of motion is the vertical motion of a projectile?
The vertical motion of a projectile is characterized by free fall motion under the influence of gravity. The only force acting on the projectile in the vertical direction is gravity, causing it to accelerate downward at a constant rate of 9.8 m/s^2 near the surface of the Earth.
Where does Earth's gravitational limit ends?
Earth's gravitational limit, also known as the Hill sphere, extends to approximately 1.5 million kilometers from Earth. Within this distance, Earth's gravity is the dominant force affecting the motion of objects. Beyond the Hill sphere, the gravitational influence of the Sun becomes stronger than that of Earth.
When is an object considered to be in free fall and can you explain the concept of free fall in physics?
An object is considered to be in free fall when it is only under the influence of gravity, with no other forces acting on it. In physics, free fall is the motion of an object solely under the influence of gravity, with no air resistance or other forces affecting its motion. This results in the object accelerating towards the Earth at a constant rate of 9.8 m/s2, regardless of its mass.
An object is in projectile motion if it?
An object is in projectile motion if it is only under the influence of gravity and air resistance is negligible. The object follows a curved path called a projectile trajectory. The motion can be broken down into horizontal and vertical components.
Is gravity in the only force acting on an object the object is in a what?
When an object is in free fall, gravity is the only force acting on it. This occurs when the object is falling under the influence of gravity alone, with no other forces like air resistance or drag affecting its motion.
Is the greater an objects velocity the stronger the gravitational force on it?
No, the strength of the gravitational force on an object depends on the masses of the objects and the distance between them, not the object's velocity. The velocity affects the object's motion in the gravitational field, but not the strength of the gravitational force acting on it.
What hold our solar system together?
Motion and mutual gravitational attraction.Another Perspective:Gravity is the only thing required, which is fortunate because it's the only thing there is.
