Question

find the dimensions of force power and positivity of vacuum

Answer 1

force = mass ×acceleration =
${m}^{1} . {l}^{1} {t}^{ - 2}$

${m}^{1} {l}^{1} {t}^{ - 2}$
power = work/time =
${m}^{1} {l}^{2} {t}^{ - 2}$