Question #1d1d2

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Answer 1 · 2017-03-14T17:23:33

A) acceleration#=#distance/time^2
SI unit for distance is meter m, for time is second s

#:.# For acceleration is
#"m"cdot"s"^-2#

B) force#=#mass #xx# acceleration
SI unit for mass is kilogram kg, for acceleration is #"m"cdot"s"^-2#

#:.# For force is
#"kg"cdot"m"cdot"s"^-2-="Newton N"#

C) work#=#force #xx# distance
SI unit for force is Newton N, for distance is meter m

#:.# For work is
#"N"cdot"m"-="Joule J"#

D) pressure#=#force/area
SI unit for force is Newton N, for area is meter m^2

#:.# For pressure is
#"N"cdot"m"^-2-="Pascal Pa"#

E) power#=#work/time
SI unit for work is Joule J, for time is second s

#:.# For power is
#"J"cdot"s"^-1-="Watt W"#