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Is a magnetic field needed to create gravity?
No, a magnetic field is not needed to create gravity. Gravity is a fundamental force of nature that exists between all objects with mass, whereas magnetism is a different fundamental force that arises from the motion of electric charges.
What is a non contact force that causes objects with mass to be attracted toward one another?
Gravitational attraction arises as a result of the presence of masses. The magnitude of the force is influenced by the distance between the masses, but the existence of the force is not "due to the distance" in any way.
Why is it called fictitious force?
This force is called fictitious because it acts on objects as if it were a real force, but it actually arises due to the acceleration of the frame of reference in which the object is observed. It is not a true physical force like gravity or electromagnetic force.
What is a force that affects only objects with magnetic domains?
The force that affects only objects with magnetic domains is the magnetic force. This force arises from the interactions between the magnetic fields of objects with magnetic domains and can attract or repel objects with magnetic properties.
Are objects in a free-fall completely weightless?
Only from the object's frame of reference because the object's inertial motion is equal to the gravitational acceleration. Weight equals mass times gravitational acceleration (W=mg), so you would feel weightless, but your mass stays the same.
Is a magnetic field needed to create gravity?
No, a magnetic field is not needed to create gravity. Gravity is a fundamental force of nature that exists between all objects with mass, whereas magnetism is a different fundamental force that arises from the motion of electric charges.
What arises whenever two objects interact?
Force arises whenever two objects interact. This force can either attract or repel the objects depending on factors such as their masses and distances apart.
Everything on earth is pulled downward toward the center by what?
Everything on Earth is pulled downward towards the center by gravity, a force which arises from the mass of the Earth. This force keeps objects grounded and causes them to fall towards the surface when dropped.
How did Earth get gravity?
Gravity on Earth is a fundamental force of nature that arises from the mass of the planet. As all objects with mass exert a gravitational force on each other, the Earth's mass pulls objects towards its center, creating the force of gravity that holds everything on its surface.
What exists between any two objects that have mass?
Any two objects with mass will be attracted to each other by gravity, which is a force that arises purely from mass. Any mass is possessed of gravity, and any two masses will be drawn toward each other by this force. But note that gravity isn't strong enough to cause, say, a rock to be attracted to a brick wall. They are attracted to each other by their mutual gravity, but that mutual gravity cannot overcome the other forces acting on them. The gravitational forces acting in this case are very small when we look at the "big picture" here.
What is a non contact force that causes objects with mass to be attracted toward one another?
Gravitational attraction arises as a result of the presence of masses. The magnitude of the force is influenced by the distance between the masses, but the existence of the force is not "due to the distance" in any way.
Why is it called fictitious force?
This force is called fictitious because it acts on objects as if it were a real force, but it actually arises due to the acceleration of the frame of reference in which the object is observed. It is not a true physical force like gravity or electromagnetic force.
Is specific gravity a vector or scalar quantity?
Gravity is a force, and forces have magnitude and direction; hence, it is a vector.
What is a force that affects only objects with magnetic domains?
The force that affects only objects with magnetic domains is the magnetic force. This force arises from the interactions between the magnetic fields of objects with magnetic domains and can attract or repel objects with magnetic properties.
Are objects in a free-fall completely weightless?
Only from the object's frame of reference because the object's inertial motion is equal to the gravitational acceleration. Weight equals mass times gravitational acceleration (W=mg), so you would feel weightless, but your mass stays the same.
What is energy from gravity?
Energy from gravity refers to the potential energy stored in an object when it is elevated above the ground. This energy can be converted into kinetic energy when the object falls due to gravity, such as in a waterfall or a rollercoaster ride. The amount of energy depends on the object's mass, height, and gravitational force.
Is elastic force contact or non contact?
Elastic force is a contact force, meaning it occurs when two objects are in physical contact with each other. It arises when objects are compressed or stretched and tends to return them to their original shape.
