7. Define work. Write its SI unit.
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In physics, work is the energy transferred to or from an object via the application of force along a displacement. ... The SI unit of work is the joule (J), the same unit as for energy.
SI unit: joule (J)
In SI base units: 1 kg⋅m2⋅s−2
Other units: Foot-pound, Erg
Derivations from other quantities: W = F ⋅ s; W = τ θ
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Explanation:
activity involving mental or physical effort done in order to achieve a purpose or result.
The SI unit if work is joule (J)
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