Force is a vector quantity, displacement is also a vector quantity. Then why is work a scalar quantity?

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This is because there are special ways to multiply vectors, called dot product and cross product. When we find work, we use the method called dot product. And the dot product of two vectors is a scalar quantity.

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Why work is scalar quantity ? In formula it uses force which is vector quantity and displacement which is a part of vector quantity, then why work is scalar quantity ?

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Force is a vector quantity, displacement is also a vector quantity. Then why is work a scalar quantity?

Good Question!This is because there are special ways to multiply vectors, called dot product and cross product. When we find work, we use the method called dot product. And the dot product of two vectors is a scalar quantity.

Good Question!
This is because there are special ways to multiply vectors, called dot product and cross product. When we find work, we use the method called dot product. And the dot product of two vectors is a scalar quantity.