Question

The unit of potential energy is

• A. $gcm{s}^{-2}$
• B. $gc{m}^2{s}^{-2}$
• C. $gc{m}^2{s}^{-1}$
• D. $gcm{s}^{-1}$

Answer 1

Answer: (B)

Potential energy $=mgh=g\left(\frac{cm}{s^2}\right)cm=g{\left(\frac{cm}{s}\right)}^2$