Q: What is a zero tensor?

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velocity is contravariant tensor becasue displacement tensor is contravariant.

A vector is a group of numbers in one dimensions; if you have such arrangements of numbers in more than one dimension, you get a tensor. Actually, a vector is simply a special case of a tensor (a 1st-order tensor).

riemann tensor=0 where R=Riemann tensor 0=the surface is flat

A scalar, which is a tensor of rank 0, is just a number, e.g. 6 A vector, which is a tensor of rank 1, is a group of scalars, e.g. [1, 6, 3] A matrix, which is a tensor of rank 2, is a group of vectors, e.g. 1 6 3 9 4 2 0 1 3 A tensor of rank 3 would be a group of matrix and would look like a 3d matrix. A tensor is the general term for all of these, and the generalization into high dimensions.

· The Famous E=mc2 is the most profound mathematics in the history of the world. It tells us that no matter can travel the speed of light because of the mass that would be needed to generate the speed would slow it down with drag.· The Einstein Field Equations (EFE) is a tensor equation relating a set of symmetric 4 x 4 tensors. Each tensor has 10 independent components. Given the freedom of choice of the four space time coordinates, the independent equations reduce to 6 in number.· The Vacuum Field Equations ,If the energy-momentum tensor Tμν is zero in the region under consideration, then the field equations are also referred to as the vacuum field equations. By setting Tμν = 0 in the full field equations, the vacuum equations can be written asThe solutions to the vacuum field equations are called vacuum solutions. Flat Minkowski space is the simplest example of a vacuum solution. Nontrivial examples include the Schwarzschild solution and the Kerr solution.Manifolds with a vanishing Ricci tensor, Rμν = 0, are referred to as Ricci-flat manifolds and manifolds with a Ricci tensor proportional to the metric as Einstein manifolds.

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We can say current is a zero rank tensor quantity.

tensor.

velocity is contravariant tensor becasue displacement tensor is contravariant.

Stress is a tensor because it affects the datum plane. When this is affected and it changes, it is then considered a tensor.

I'm not entirely sure, but I think the tensor contraction over these two tensors should give back the identity. For example: If the resistivity tensor is a 2x2 matrix, then the conductivity tensor is the inverse of this matrix.

The synergist of tensor fascia latae is the gluteus maximus.

Tensors are simply arrays of numbers, or functions, that transform according to certain rules under a change of coordinates. Scalars and vectors are tensors of order 0 and 1 respectively. So a vector is a type of tensor. An example of a tensor of order 2 is an inertia matrix. And just for fun, the Riemann curvature tensor is a tensor of order 4.

A vector is a group of numbers in one dimensions; if you have such arrangements of numbers in more than one dimension, you get a tensor. Actually, a vector is simply a special case of a tensor (a 1st-order tensor).

riemann tensor=0 where R=Riemann tensor 0=the surface is flat

A person should use a tensor bandage on their ankle if they believe their ankle has been sprained or twisted. The tensor bandage should only be worn when a person is participating in an activity.

A person should use a tensor bandage on their ankle if they believe their ankle has been sprained or twisted. The tensor bandage should only be worn when a person is participating in an activity.

If the surface area is very very small then stress is a Tensor quantity.... -MOGRE