Is gravity a force in general relativity?

Gravity is most accurately described by the general theory of relativity (proposed by Albert Einstein in 1915), which describes gravity not as a force, but as a consequence of masses moving along geodesic lines in a curved spacetime caused by the uneven distribution of mass.

Can gravity be considered a force Why or why not?

Gravity is present not only between objects and Earth, however. Gravity is considered a universal force because it acts between any two masses anywhere in the universe. For example, there is a gravitational pull between the Sun and the Moon.

What is it called when gravity is the only force?

When the only force acting on an object is gravity the object is said to be in free fall. The rate of acceleration due to gravity is 9.8m/s.

Is gravity a wave or a force?

The attempt to reconcile General Relativity with the graviton is the basis of the still elusive “quantum gravity.” It is plausible that a gravitational wave could be regarded as a series of gravitons in a similar (coherent) quantum state. As of now, such models are all hypothetical.

When gravity is the only force acting on an object the object is in quizlet?

Final Exam Practice Test Part 1 Assuming the car starts from rest, how much time does it need to accelerate to a speed of 20m/s?

How Is gravity a force?

The answer is gravity: an invisible force that pulls objects toward each other. So, the closer objects are to each other, the stronger their gravitational pull is. Earth’s gravity comes from all its mass. All its mass makes a combined gravitational pull on all the mass in your body.

Why gravity is not present in space?

Because space is relatively empty, there is little air to feel whooshing past you as you fall and there are no landmarks to indicate you are moving. The second reason that gravity is not so obvious in space is because objects tend to orbit planets instead of hitting them.

Why is gravity not a force?

The General Theory of Relativity tells us gravity is not a force, gravitational fields don’t exist. Objects tend to move on straight paths through curved spacetime.

How does gravity relate to general relativity?

General relativity says that energy (in the form of mass, light, and whatever other forms it comes in) tells spacetime how to bend, and the bending of spacetime tells that energy how to move. The concept of “gravity” is then that objects are falling along the bending of spacetime.

What is gravitation in physics?

In Newton’s theory of gravity, gravitation is a force which could cause such an effect. For instance, the reason that the two particles in the above picture accelerate toward each other and then meet could be that they are both attracted gravitationally by a massive body located at the point of their meeting.

Why is Einstein’s theory of gravity wrong?

But it is wrong, in part because Newton misunderstood what gravity is. He considered gravity to be a force that objects exert upon each other. But, in a burst of brilliance, Einstein realized that no such force is required and in fact no such force exists.