Question

hi dear friend i have question about that if work is scalar quantity so if we add angle with work formula what is the ans scalar or vector

Example:

W= F.d.cosθ=vector or scalar

Thanks Hanifullah Hemat ,Afghanistan

Answer 1

Answer on Question #64450-Physics-Mechanics-Relativity

hi dear friend i have question about that if work is scalar quantity so if we add angle with work formula what is the ans scalar or vector

Example:

W= F.d.cosθ=vector or scalar

Answer

The work is *scalar* quantity. It can be represented as *scalar* product of the force and displacement vectors:

$$W = \vec{F} \cdot \vec{d}$$

Or

$$W = F d \cos\theta,$$

where $\theta$ is the angle between the force and displacement vectors.

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