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Kinematics — Physics STD 11 — Question

Tamilnadu BoardEnglish MediumSTD 11PhysicsKinematics2 Marks
Question
Give an example for scalar product of two vectors.
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Answer

The work done by a force $\vec{F}$ to move an object through a small displacement $\overrightarrow{d r}$ then Work done $W =\overrightarrow{ F } \cdot \overrightarrow{ dr }$ (or) $W = Fdr \cos \theta$

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