SOLUTION:Step 1: List the given values.F = 600 Na = 2.5 m/s²Step 2: Calculate the mass of the object.[tex]\begin{aligned} m & = \frac{F}{a} \\ & = \frac{\text{600 N}}{\text{2.5 m/s}^2} \\ & = \boxed{\text{240 kg}} \end{aligned}[/tex]Hence, the mass of the crate is 240 kg.