Question

Which of the following five quantities is NOT an expression for energy? Here m is a mass, g is the acceleration due to gravity, h and d are distances, F is a force, v is a speed, a is an acceleration, P is power, and t is time.

Answer 1

a. mgh

b. Fd

c. $\frac{mv^2}{2}$ 1/mV²

d. ma

e. Pt

Answer: d. ma

$$F=ma$$