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Motion in A Plane

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Physics Part I

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Physics

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Motion in A Plane

Scalar product of two vectors is scalar. Can scalar product of two vectors be negative?

When two vectors are anti-parallel then

Then, cos 180⁰ = -1

Here, the product of two scalar vectors is negative.

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With what scalar, a vector must be multiplied to get null vector?

When a vector is multiplied with zero, we get a null vector.

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If two vectors $straight A with rightwards arrow on top space and space straight B with rightwards arrow on top$ represent the two adjacent sides of a parallelogram, then what is the area of the parallelogram?

Area of the parallelogram formed by two adjacent vectors, , is

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Can the product of two vectors be scalar?

Yes, dot product of two vectors is a scalar quantity.

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Can we subtract the vector from zero vector?

Yes, when any vector is subtracted from the zero vector, negative vector is obtained.

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