Final answer:
Using Newton's second law of motion (F = ma), the mass of the shopping cart is calculated to be 10 kilograms when a force of 10 N is applied and the cart accelerates at 1 m/s².
Step-by-step explanation:
To find the mass of the shopping cart that the boy pushes, we can use Newton's second law of motion, which states that force equals mass times acceleration (F = ma). Given the force (F) is 10 N and the acceleration (a) is 1 m/s², we can rearrange the formula to solve for the mass (m).
To solve for the mass, we use the formula m = F / a. Plugging in the values provided, we have m = 10 N / 1 m/s² which equals a mass (m) of 10 kg. Therefore, the mass of the shopping cart is 10 kilograms.